SOLUTION: Simplify by removing factors of 1 q^2-81/(q+9)^2

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Question 517127: Simplify by removing factors of 1
q^2-81/(q+9)^2
Answer by nerdybill(6962) About Me  (Show Source):
You can put this solution on YOUR website!
(q^2-81)/(q+9)^2
rewriting the numerator:
(q^2-9^2)/(q+9)^2
factoring the numerator (difference of squares):
[(q-9)(q+9)]/(q+9)^2
removing factors of 1:
(q-9)/(q+9)