Prealgebra (7th Edition)

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

Chapter 10 - Test: 16

Answer

$a^3+8$

Work Step by Step

$(a+2)(a^2-2a+4)\rightarrow$ apply the distributive property =$(a+2)(a^2)-(a+2)(2a)+(a+2)(4)\rightarrow$ apply the distributive property =$a^3+2a^2-2a^2-4a+4a+8\rightarrow$ combine like terms =$a^3+8$
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