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: 44



Work Step by Step

We solve by factoring: $x^{4}-10x^{2}+25=0$ $(x^{2}-5)(x^{2}-5)=0$ $x^{2}-5=0$ $x^2=5$ $x=\pm\sqrt{5}$
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