Answer
$x = ±3\sqrt 2$
Work Step by Step
$\frac{x}{6} = \frac{3}{x}$
$\frac{x^{2}}{6} = 3$
$x^{2} = 18$
$x = ±\sqrt 18$
$x = ±3\sqrt 2$
Elementary Geometry for College Students (7th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Cengage
ISBN 10:
978-1-337-61408-5
ISBN 13:
978-1-33761-408-5
Chapter 5 - Review Exercises - Page 273: 8a
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