i’m revising for my upcoming assessment

[oak glen]

i need help with these questions because i wasn’t in the other few days and i don’t know how to work these out #1015578016606343218

[lost cloud]

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[strange nymph]

First one:
a^3 . c^3/ a.c =
a^3/a . c^3/c =
a^3-1 . c^3-1 =
a^2 . c^2

Second one:
(3x^4)^4 =
3^4 . (x^4)^4 =
81 . x^16

[oak glen]

i’m confused

so like we do whatever’s on top divided by bottom

[strange nymph]

pretty much

What I did was breaking the equation into two fractions, a^3/a and c^3/c . Then let a^3/a = a^3-1 , and c^3/c = c^3-1

Mutiplie both and u get the answer

[oak glen]

ohhh okay but whre did the -1 come from?

[strange nymph]

that's bc if you have something like this: x^5/x^2 , you do x^5-2

[oak glen]

ohhh okay thank you

[severe furnace]

Bro r u gone/

Hello?

[kind quarry]

👀

[haughty crest]

@oak glen

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