College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 1, Equations and Graphs - Chapter 1 Review - Exercises: 53

Answer

$x=0$ or $x=\frac{5}{2}$ or $x=-\frac{5}{2}$

Work Step by Step

We solve by factoring: $4x^{3}-25x=0$ $x(4x^{2}-25)=0$ $x(2x-5)(2x+5)=0$ $x=0$ or $2x-5=0$ or $2x+5=0$ $x=0$ or $x=\frac{5}{2}$ or $x=-\frac{5}{2}$
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