Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter P - Section P.7 - Equations - Exercise Set: 91

Answer

$x=-\frac{1}{2},1$

Work Step by Step

$2x^2 - x = 1$ $2x^2 - x -1=0$ $(2x+1)(x-1)=0$ $2x+1=0$ $2x=-1$ $x=-\frac{1}{2}$ $x-1=0$ $x=1$
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