Answer
$x = -5, 4$
Work Step by Step
Expand and simplify to solve for $x$
$x(x+5) -4(x+5) = 0$
$x^{2} + 5x - 4x - 20 = 0$
$x^{2}+x-20$
$(x-4)(x+5) = 0$
$x = 4, -5$
Elementary Algebra
by Kaufmann, Jerome; Schwitters, Karen;
Published by
Cengage Learning
ISBN 10:
1285194055
ISBN 13:
978-1-28519-405-9
Chapter 6 - Factoring, Solving Equations, and Problem Solving - 6.1 - Factoring by Using the Distributive Property - Problem Set 6.1 - Page 243: 81
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