Answer
$9$.
Work Step by Step
The given equation is
$\Rightarrow p-9=0$
Add $9$ to each side.
$\Rightarrow p-9+9=0+9$
Simplify.
$\Rightarrow p=9$
Check:- $p=9$
$\Rightarrow 9-9=0$
$\Rightarrow 0=0$
True.
Hence, the solution is $9$.
Big Ideas Math - Algebra 1, A Common Core Curriculum
by Larson, Ron; Boswell, Laurie
Published by
Big Ideas Learning LLC
ISBN 10:
978-1-60840-838-2
ISBN 13:
978-1-60840-838-2
Chapter 7 - Polynomial Equations and Factoring - 7.5 - Factoring x 2 + bx + c - Exercises - Page 390: 52
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