Perform the operations, multiply, and simplify. -a^3b (3a^2 b^5 - ab^4 - 7a ^2 b)

asked Apr 21, 2015 143k views

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Perform the operations, multiply, and simplify.
-a^3b (3a^2 b^5 - ab^4 - 7a ^2 b)

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$-a^3b (3a^2 b^5 - ab^4 - 7a ^2 b) \\ \\ =-3a^5b^6-(-a^4b^5)-(-7a^5b^2) \\ \\ =-3a^5b^6+a^4b^5+7a^5b^2$

Super Noob answered Apr 23, 2015

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$-a^3b (3a^2 b^5 - ab^4 - 7a ^2 b)=\\ -3a^5b^6+a^4b^5+7a^5b^2$

Pavel Lint answered Apr 26, 2015

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