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 - Page 170: 74


$x=2$ or $x=\pm 2i$

Work Step by Step

We factor and solve: $x^{3}-2x^{2}+4x-8=0$ $(x-2)(x^{2}+4)$ $x-2=0$ or $x^2+4=0$ $x=2$ or $x=\pm\sqrt{-4}$ $x=2$ or $x=\pm 2i$
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