Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 10 - Section 10.3 - Multiplying Polynomials - Exercise Set: 14

Answer

$y^3+12y^2+30y-8$

Work Step by Step

$(y+4)(y^2+8y-2)=y(y^2)+y(8y)+y(-2)+4(y^2)+4(8y)+4(-2)=y^3+8y^2-2y+4y^2+32y-8=y^3+12y^2+30y-8$
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