Algebra: A Combined Approach (4th Edition)

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: 9

Answer

$ x=-8$ and $x=-2$

Work Step by Step

$(x+5)^2 = 9 \\ x+5 = ±3 \\$ $x+5=-3 \rightarrow x=-8$ $x+5 = 3 \rightarrow x=-2$
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