lone isle
I don’t like how the textbook makes me do these sorts of problems so I was wondering if I could do it this way? I got stuck, and it makes me think that I can’t, and that finding an LCD from the beginning is the only way, rather than cross multiplying?
void falcon
I don’t like how the textbook makes me do these sorts of problems so I was wonde...
I'm pretty sure you made a mistake.
What do you mean "how the textbook makes you do these sorts of problems"?
lone isle
if my -92 were a -100 I could get farther but I just can’t. Because it’s not
So the textbook says I have to get a common LCD first? Let me get a picture
void falcon
Okay, so I know you made a mistake.
lone isle
I just find it a little icky, but maybe it’ll do me some good
OMG 💀
stop, I’m gonna laugh!
Ok ok, let me double check my work too
lone isle
What do you mean, RHS?
void falcon
...right hand side...
lone isle
I must be a fool or something
The distributed 1 and 2, to (x-2) is not 2x-4??
what would that come out to?
void falcon
The problem is that you're not doing that.
You can't "distribute 1 and 2 to (x - 2)" because you don't have 1 and 2.
You have 2/(3x + 6) and 1/(x^2 - 4).
lone isle
holy crap
When you cross multiply, you have to get the entire fraction? You can’t just do the numerator and denominator…?
how come you can do it with something like 2/x = 4/3?
void falcon
Because... there you don't have a sum of fractions.
lone isle
okay….
Are you saying that what I’m doing is an illegal move? 💀
Could I maybe add (2/3x+6) and (1/x^2-4) by finding an LCD, and then after that gets combined, cross multiply with (4/x-2) on the other side?
void falcon
Yeah, and I'd be willing to bet that that's what your textbook is saying to do anyway.
lone isle
okay!