Answer
The solutions are 8 and 9.
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
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 9 - Quadratic Functions and Equations - 9-4 Factoring to Solve Quadratic Equations - Practice and Problem-Solving Exercises - Page 558: 8
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