Answer
$-2y^4-12y^3+8y$
Work Step by Step
$-2y(y^3+6y^2-4)\rightarrow$ use the distributive property
=$(-2y)(y^3)+(-2y)(6y^2)-(-2y)(4)\rightarrow$ use the product property of exponents
=$-2y^4-12y^3+8y$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 10 - Test - Page 729: 13
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