Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 5 - Section 5.2 - Multiplying Polynomials - Exercise Set: 50

Answer

$8x^4+10x^3$

Work Step by Step

Using $a(b+c)=ab+ac$ or the Distributive Property, the given expression, $ (4x^3+5x^2)(2x) ,$ is equivalent to \begin{array}{l}\require{cancel} (4x^3)(2x)+(5x^2)(2x) \\\\= 8x^4+10x^3 .\end{array}
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