Answer
$x=+5,-5$
Work Step by Step
Given: $3x^2=75$
This can be written as: $x^2=\dfrac{75}{3}$
or, $x^2=25$
Apply The Square Root Property.
$x=\sqrt{25}$ or, $x=\pm 5$
Hence, $x=+5,-5$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 8 - Section 8.1 - The Square Root Property and Completing the Square - Exercise Set - Page 592: 1
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