Answer
True
Work Step by Step
We multiply the factors together to see if they equal $x^4 -1$.
$$( x^2 -1)(x^2 +1 ) \\ x^4 -x^2 +x^2 -1 \\ x^4 -1 $$
Elementary Algebra
by Kaufmann, Jerome; Schwitters, Karen;
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 - Page 247: 9
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