Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter 5 - Section 5.4 - A General Approach to Factoring - 5.4 Exercises: 61

Answer

not factorable

Work Step by Step

$\bf{\text{Solution Outline:}}$ The given expression, $ x^2-y^2-4 ,$ is prime. $\bf{\text{Solution Details:}}$ The given trinomial is not in the form $ax^2+bx+c,$ that can possibly be factored. It cannot also be grouped so that a $GCF\ne1$ can be factored. Hence, the given expression is $\text{ not factorable .}$
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