Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 5 - Section 5.5 - Multiplying Polynomials - Exercise Set: 7

Answer

$-12.4x^{12}$

Work Step by Step

$(-3.1x^{3})(4x^{9})=-3.1\times4\times x^{3+9}=-12.4\times x^{12}=-12.4x^{12}$
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