College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter 1 - Section 1.4 - Radical Equations; Equations Quadratic in Form; Factorable Equations - 1.4 Assess Your Understanding - Page 118: 76


$x=0$ or $x=1$ or $x=-1$

Work Step by Step

We solve by factoring: $x^{4}-x^{2}=0$ $x^{2}(x^{2}-1)=0$ $x^{2}(x-1)(x+1)=0$ $x^{2}=0$ or $x-1=0$ or $x+1=0$ $x=\pm \sqrt{0}$ or $x=1$ or $x=-1$ $x=0$ or $x=1$ or $x=-1$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.