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: 49

Answer

$t^4-0.04$

Work Step by Step

Using $(a+b)(a-b)=a^2-b^2$ or the product of the sum and difference of like terms, the given expression, $ (x^4+0.1)(x^4-0.1) $, is equivalent to \begin{array}{l}\require{cancel} (t^2)^2-(0.2)^2 \\\\= t^4-0.04 .\end{array}
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