Answer
x=4 or -$\frac{9}{2}$
Work Step by Step
Set each variable factor as equal to zero and then isolate the variable to find the solutions.
10(x-4)(2x+9)=0
x-4=0 or 2x+9=0
x=4 or 2x=-9
x=4 or x=-$\frac{9}{2}$
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: 7
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