Answer
$y=-4-3\sqrt3$ and $y=-4+3\sqrt3$
Work Step by Step
$(y+4)^2 = 27 \\ y+4 = ±3\sqrt3 \\$
$y+4=-3\sqrt3 \rightarrow y=-4-3\sqrt3$
$y+4=3\sqrt3 \rightarrow y=-4+3\sqrt3$
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: 12
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