Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 6 - Section 6.6 - Solving Quadratic Equations by Factoring - Exercise Set - Page 473: 20


x=0 or -3

Work Step by Step

Factor out the GCF. x$^2$+3x=0 x(x+3)=0 Set each variable factor as equal to zero and then isolate the variable to find the solutions. x=0 or x+3=0 x=0 or x=-3 Enter the original equation into your graphing utility to observe that the graph crosses the x-axis at 0 and -3
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