Answer
$x=2\pm\sqrt 2$
Work Step by Step
$x^2 = 4x - 2$
$x^2-4x+2=0$
$x^2-4x+4=2$
$(x-2)^2=2$
$x-2=\pm\sqrt 2$
$x=2\pm\sqrt 2$
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
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: 107
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