Answer
$x= ±\sqrt{11}$
Work Step by Step
$x^2 - 11 = 0 \\ x^2=11 \\$
$x= ±\sqrt{11}$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 11 - Section 11.1 - Solving Quadratic Equations by Completing the Square - Exercise Set - Page 763: 4
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