Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 4 - Polynomials - 4.6 Special Products - 4.6 Exercise Set: 71

Answer

$5x^3+30x^2-10x$

Work Step by Step

Using $a(b+c)=ab+ac$ or the Distributive Property, the given expression, $ 5x(x^2+6x-2) $, is equivalent to \begin{array}{l}\require{cancel} 5x(x^2)+5x(6x)+5x(-2) \\\\= 5x^3+30x^2-10x .\end{array}
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