Question

I suck with division, can you help me through this problem?

x^2-81 / x+9

Answer 1

factor the top and u will c the answer

Answer 2

\[\frac{x^2-81}{x+9}=\frac{(x+9)(x-9)}{x+9}=...\]

Answer 3

how do you factor it?

Answer 4

hickninja factored it for u

Answer 5

oh, ok. thank you.

Answer 6

difference of two perfect squares: \[a^2-b^2=(\sqrt{a} + \sqrt{b})(\sqrt{a}-\sqrt{b})\]

Answer 7

do the x+9 cancel out? and then the answer is x-9?

Answer 8

dingdingding!

Answer 9

ok, thank you for your help I will post another for some help on it.