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: 79


$x=0$ or $x=-5$ or $x=4$

Work Step by Step

We solve by factoring: $x^{3}+x^{2}-20x=0$ $x(x^{2}+x-20)=0$ $x(x+5)(x-4)=0$ $x=0$ or $x+5=0$ or $x-4=0$ $x=0$ or $x=-5$ or $x=4$
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