Answer
{-9/4, -1, 4}
Work Step by Step
1. Apply the zero factor property.
a) 4x + 9 = 0
b) x - 4 = 0
c) x + 1 = 0
2. Solve each linear equation.
a) x = -9/4
b) x = 4
c) x = -1
The solutions are {-9/4, -1, 4}.
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 5 - Section 5.8 - Solving Equations by Factoring and Problem Solving - Exercise Set - Page 323: 22
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