Answer
x=1 or -$\frac{1}{2}$
Work Step by Step
2x$^2$-x=1
x$^2$-$\frac{1}{2}$x=$\frac{1}{2}$
(x-$\frac{1}{4}$)$^2$=$\frac{9}{16}$
x-$\frac{1}{4}$= +/-$\frac{3}{4}$
x=1 or -$\frac{1}{2}$
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter 1 - Equations and Inequalities - Exercise Set 1.5 - Page 161: 83
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