#### Answer

$x= ±3\sqrt2$

#### Work Step by Step

$x^2-18=0\\x^2=18\\x= ±3\sqrt2$

Published by
Pearson

ISBN 10:
0321726391

ISBN 13:
978-0-32172-639-1

$x= ±3\sqrt2$

$x^2-18=0\\x^2=18\\x= ±3\sqrt2$

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