Answer
x=9 or x=8
Work Step by Step
If a product is 0, one of the factors must be 0.
Use the addition property of equality to solve for x.
x−9=0 or x−8=0
x−9+9=0+9 or x−8+8=0+8
x=9 or x=8
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 9 - Quadratic Functions and Equations - 9-4 Factoring to Solve Quadratic Equations - Practice and Problem-Solving Exercises - Page 571: 8
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