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

Published by Pearson

# Chapter 6 - Section 6.6 - Solving Quadratic Equations by Factoring - Exercise Set - Page 473: 17

x=0 and -4

#### Work Step by Step

Factor out the GCF. x$^2$+4x=0 x(x+4)=0 Set each variable factor as equal to zero and isolate the variable to find the solutions. x=0 or x+4=0 x=0 or x=-4 Enter the original equation into your graphing utility to observe that the graph crosses the x-axis at 0 and -4.

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