Answer
x=0 or -7
Work Step by Step
x(x+7)=0
Set each variable factor as equal to zero and then isolate the variable to find the solutions.
x=0 or x+7=0
x=0 or x=-7
Introductory Algebra for College Students (7th Edition)
by Blitzer, Robert F.
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: 1
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