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February 13, 2016
Posted by **Anonymous** on Thursday, October 10, 2013 at 4:29pm.

(5a^3+a-7)-(8-7a^3-2a^2)

- algebra -
**Me**, Thursday, October 10, 2013 at 4:34pm(5a^3+a-7)-(8-7a^3-2a^2)

Distribute the negative to the ride side that's in parentheses.

(5a^3+a-7)-8+7a^3+2a^2

Combine like terms.

12a^3+2a^2+a-15