Answer
$$p=\pm 3\sqrt{3} -1$$
Work Step by Step
We first try to get the variable squared alone on onside of the equation. Then, we take the square root in order to solve:
$$(p+1)^2 = 27 \\ p+1 =\pm\sqrt{27} \\ p = \pm 3\sqrt{3} -1$$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 4 Quadratic Functions and Factoring - Chapter Review - Page 320: 27
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