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 - 4.5 Multiplication of Polynomials - 4.5 Exercise Set: 21

Answer

$-\dfrac{1}{20}x^{12}$

Work Step by Step

The product of the given expression, $ \left( -\dfrac{1}{4}x^4 \right)\left( \dfrac{1}{5}x^8 \right) $, is \begin{array}{l}\require{cancel} \left( -\dfrac{1}{4} \right)\left( \dfrac{1}{5} \right)x^{4+8} \\\\= -\dfrac{1}{20}x^{12} .\end{array}
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