Answer
$$x = \pm2$$
Work Step by Step
First you add 8 to both sides. Then you divide each side by 2. Then you square root both sides to get the final answer of $$x = \pm2$$
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 9 - Quadratic Functions and Equations - 9-3 Solving Quadratic Equations - Lesson Check - Page 550: 2
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