SOLUTION: what is the answer for this? (7a^3+8a^2-2a)-(4a^3-3a^2-9a)

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Question 432102: what is the answer for this?
(7a^3+8a^2-2a)-(4a^3-3a^2-9a)
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
It depends on the question.