Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 6 - Factoring, Solving Equations, and Problem Solving - 6.2 - Factoring the Difference of Two Squares - Concept Quiz 6.2: 9

Answer

True

Work Step by Step

We multiply the factors together to see if they equal $x^4 -1$. $$( x^2 -1)(x^2 +1 ) \\ x^4 -x^2 +x^2 -1 \\ x^4 -1 $$
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