Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 5 - Exponents and Polynomials - 5.2 - Multiplying Monomials - Problem Set 5.2 - Page 200: 50

Answer

$28x^3-8x^2$

Work Step by Step

Using $a(b+c)=ab+ac$ (or the Distributive Property), the given expression, $ 4x^2(7x-2) ,$ is equivalent to \begin{array}{l}\require{cancel} 4x^2(7x)-4x^2(-2) \\\\= 28x^3-8x^2 .\end{array}
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