Answer
$x=\frac{1}{2}$ or $x=-1$
Work Step by Step
We solve by factoring:
$2x^{2}+x=1$
$ 2x^{2}+x-1=0$
$(2x-1)(x+1)=0$
$2x-1=0$ or $x+1$=0
$x=\frac{1}{2}$ or $x=-1$
College Algebra 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
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: 51
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