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: 108

Answer

$x=3\pm\sqrt 2$

Work Step by Step

$x^2 = 6x - 7$ $x^2-6x=-7$ $x^2-6x+9=2$ $(x-3)^2=2$ $x-3=\pm\sqrt 2$ $x=3\pm\sqrt 2$
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