#Rational equations multiplication with something that can be 0

1 messages · Page 1 of 1 (latest)

thorn fern
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For example take (x+4)(2x−3)=(x+4)(x+2) U are supposed to factorize out (x+4), but HOW am supposed to know what to factorize. Also if we factorize it why is the original (x+4) still there??

desert ospreyBOT
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oak atlas
thorn fern
oak atlas
thorn fern
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legit

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But its not there

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legit

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the book took it away

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and people on the internet wont tell me

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WHY IT IS GONE

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WHERE IOS IT

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WHY is it not there

oak atlas
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the (x+4) ?

thorn fern
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YES

oak atlas
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ok in your original equation it's on both sides, right?
so if we divide both sides by (x+4)

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x+4 vanishes from both sides

thorn fern
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then what

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But why is it still there

oak atlas
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and you're left with 2x-3=x+2

thorn fern
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I asked chatgpt and it says it still there

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and the book

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i dont get it

oak atlas
thorn fern
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In my opinion if u cut it u should cut it from both sides

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wtf

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why is it not gone

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wtf

oak atlas
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they used distributive property

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lmao

thorn fern
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idk the english term

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what do i do

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I am having a breakdown now

oak atlas
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ab + ac = a(b + c)

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that

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a = (x+4)
b = (2x-3)
c = -(x+2)

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@thorn fern do you get it no?

thorn fern
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100% no

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100%

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notr even close

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We are supposed to move teh stuff on the right side

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to the left

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because if we assume that it is =0 u can lose 1 anwser

thorn fern
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then why

oak atlas
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ok let's do this differently

thorn fern
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yes do it super simply pls

oak atlas
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@thorn fern can you expand both sides?

thorn fern
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idk how to

oak atlas
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what.

thorn fern
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Idk the english terms

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legit

oak atlas
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write both sides in the form ax^2 + bx + c

thorn fern
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how would i do that

oak atlas
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...

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expand then

thorn fern
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@oak atlas i legit dont et english terms

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im sorry im dumb

oak atlas
thorn fern
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@oak atlasa moment my sister came in

oak atlas
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what ok?

thorn fern
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@oak atlas

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explain this one instead

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its simpler

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why do u multiply by x-1

oak atlas
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because you want to solve the equation

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isolate x?

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man i swear if I have to use the Field axioms to "prove" why that works

thorn fern
oak atlas
thorn fern
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then what

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*x-1

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x-1*x-1

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should give mex^2-2

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not x-1

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what is this

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here the x-1 is just gone

oak atlas
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it was in the numerator and denominator, so it got cancelled out

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and 2(x-1) = 2x - 2

thorn fern
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please tell me why -1*-2 is not +2

oak atlas
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it is

thorn fern
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this

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makes

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0f ucking sense

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legit

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what is thi

oak atlas
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it's simple 6th grade algebra

thorn fern
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(x-2)*(x-1)

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Is supposed to be x^2-x-2x+2

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WHY

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IN THE NAME OF THE LORD IS IT FUCKING NOT

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@oak atlas

oak atlas
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it is

thorn fern
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why does the teacher write it as

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????

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there is no fucking ^2

oak atlas
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i don't see under what logic it isn't unless the very definitions of the usual binary operators were changed

thorn fern
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where does it go

oak atlas
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it was calcelled out lmao

thorn fern
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why

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how

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how

oak atlas
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$\frac{(x-2)(x-1)}{(x-1)} = (x-2)$

hearty girderBOT
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Ravi#Justice4Viata#NoLifer

oak atlas
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because that

thorn fern
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aaah

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omgh

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this is easy

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i see

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nice

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i just litterally broke an item from m desk

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my hand is bleeding

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i hate this

oak atlas
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bruh alr
next time post this in #1015578016606343218
um go bandage your hand

thorn fern
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but the tehr question is

graceful pecan
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people love to yap non math

oak atlas
thorn fern
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why is it written like this

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where does the x come from

oak atlas
thorn fern
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2x

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there was no 2x

oak atlas
thorn fern
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no

oak atlas
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that becomes -2x + 2

thorn fern
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can u please write it in the thing u did

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the robot thingy

oak atlas
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$-2(x-1) = -2x + 2$

hearty girderBOT
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Ravi#Justice4Viata#NoLifer

thorn fern
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so dfo i actually multiply these first before cutting them ouit?

thorn fern
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how did i get 2x

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if i cut it out before multypling

oak atlas
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bruh is this really a pre-engineering course?

thorn fern
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I swear to u

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LItterally

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i can show u my letter of acceptance

oak atlas
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lmao pre-engineering would teach you basic calculus

thorn fern
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YEs we are gonna learn it in 3 weeks

oak atlas
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this is 6th grade algebra

thorn fern
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we are learning 2 chapters a dya

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its 12 hours every day

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for 6 weeks

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thats why im crying

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we will have learnt calclus

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cosinus sinus

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all that

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in the end

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integrals and all dat

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tell me thos

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the other thing

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the erquation

oak atlas
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...

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this is a 6th grade problem

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I really don't see where you require help in this

thorn fern
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man

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i am genuenly struggeling

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@oak atlas If i multiply these

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i still have +1 legt

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unused

oak atlas
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this is simple algebra

thorn fern
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i am not fucking trolling

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legit

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im just stupid

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no cap

oak atlas
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what part do you not understand then?

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I'll elaborate on that

thorn fern
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why there is -2x

oak atlas
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I don't get which part you don't understand

thorn fern
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because u have to multiply it out

oak atlas
graceful pecan
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how is this university math

thorn fern
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and if u do multiply it

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and cross out everyother number

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u still end up with a +1 extra

oak atlas
thorn fern
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which is not used down here

oak atlas
thorn fern
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legit did

graceful pecan
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Should you be attending uni if you already don't know these?

thorn fern
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Can u not fucking bully me

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its not ufnny

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legit

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im doing my best

graceful pecan
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I'm not trying to

thorn fern
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why u laughing

oak atlas
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put the problem in help school

graceful pecan
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I'm not

oak atlas
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that's all we're saying

graceful pecan
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it's not about channels

thorn fern
graceful pecan
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she needs this for her university

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so this is fine

oak atlas
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uh-

thorn fern
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Its legit the pre engineering coruse

oak atlas
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yeah idk

thorn fern
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its not easy

oak atlas
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@oak atlas how do I explain simple algebra to someone-
Lmao I pinged myself

graceful pecan
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can you drop out and rejoin after some time?

thorn fern
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?

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i wont drop out

graceful pecan
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If your basics are this shaky you'll face a lot of trouble further along

thorn fern
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u fuckers

graceful pecan
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we are not trying to disrespect you

thorn fern
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stop demotivating me

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fucking bullies

oak atlas
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this is stuff most people learn in 6th grade (no offense)

thorn fern
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Good for them

oak atlas
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if you really are in uni rn, you need a gap year to catch up

thorn fern
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ii will go do this right now

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legit

graceful pecan
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Can't you contact administration and ask for some time off?

thorn fern
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what the song lyrics says

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I cant deal with this shit

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fuck everything

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gg ff 19

graceful pecan
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was it meant as a threat to us lol

thorn fern
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nah

oak atlas
thorn fern
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why would it be

oak atlas
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@thorn fern which uni are you in?

thorn fern
graceful pecan
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also from the looks of it your course is not doing a good job

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try these youtube channels :

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organic chemistry teacher
professor Leonard

oak atlas
graceful pecan
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they have short, to the point, comprehensive videos on everything

thorn fern
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I am learning it now

graceful pecan
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this isn't hard math this is basic math

thorn fern
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good for u that u know it

graceful pecan
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are there others in the course with you?

oak atlas
graceful pecan
oak atlas
graceful pecan
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wait lemme link the channels

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they will get you through this

thorn fern
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legit

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Legit am thinking about doing nsfw stuff to myself

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ngl

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like in the song name

graceful pecan
oak atlas
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do +close first

graceful pecan
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ravi please don't

thorn fern
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+close

desert ospreyBOT
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✅ Post closed

graceful pecan
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don't talk to someone you met on a server about this

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fuck