SOLUTION: What is "a" cubed -45-9a plus 5a squared?

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Question 271080: What is "a" cubed -45-9a plus 5a squared?
Answer by LarissaRichardson(34) About Me  (Show Source):
You can put this solution on YOUR website!
a^3+5a^2-9a-45
(a^3+5a^2)+(-9a-45)
Remove common factors from both sets
a^2(a+5)-9(a+5)
Leaves you with:
(a^2-9)(a+5)