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Completely factor the following expression:
(6a^3 + 92a^2 - 7) - (-7a^3 + 5a^2 - 7)

 Dec 21, 2021
 #1
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a2(13a + 87)

 Dec 21, 2021
 #2
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(6a3+92a2-7)-(-7a3+5a2-7)

First, distribute the negative sign to the right parenthesis, and take away both parenthesis.

6a3+92a2-7+7a3-5a2+7

Combine like-terms.
13a3+87a2

Pull out an a2.

a2(13a+87)

 Dec 21, 2021

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