Answer
$p=12,-12$
Work Step by Step
$144-p^2=0$
$144-p^2+p^2=0+p^2$
$144 = p^2$
$\sqrt {144} = \sqrt {p^2}$
$p=12,-12$
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 - Practice and Problem-Solving Exercises - Page 551: 28
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