## Introductory Algebra for College Students (7th Edition)

Published by Pearson

# Chapter 6 - Section 6.6 - Solving Quadratic Equations by Factoring - Exercise Set: 5

#### Answer

x=9 or -$\frac{4}{5}$

#### Work Step by Step

Set each variable factor as equal to zero and then isolate the variable to find the solutions. (x-9)(5x+4)=0 x-9=0 or 5x+4=0 x=9 or 5x=-4 x=9 or x=-$\frac{4}{5}$

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