# Math

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Simplify by removing factors of 1. (r^2-64)/(r+8)^2

• Math -

I cannot figure this out! I know that the top is essentially the same as the bottom. SO what do I do?
(r^2-64)/(r+8)^2=
(r^2-64)/(r^2+64)=
0 ?

• Math -

not correct
do it this way ...

(r^2-64)/(r+8)^2
= (r+8)(r-8)/[(r+8)(r+8)]
= (r-8)/(r+8)

• Math -

Geez. Thank you so much.

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