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 - Page 106: 97


$x=1\pm\sqrt 2$

Work Step by Step

$x^2 - 2x = 1$ $x^2 - 2x+1=2$ $(x-1)^2=2$ $x-1=\pm\sqrt 2$ $x=1\pm\sqrt 2$
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