Answer
$-15,0$
Work Step by Step
In order to solve a quadratic equation, we factor so that we can find when x equals 0. Thus, we obtain:
$x^2+15x=0$
$x(x+15)=0$
Solution 1:
$x=0$
Solution 2:
$x+15=0$
$x=-15$
Elementary Algebra
by Kaufmann, Jerome; Schwitters, Karen;
Published by
Cengage Learning
ISBN 10:
1285194055
ISBN 13:
978-1-28519-405-9
Chapter 10 - Quadratic Equations - 10.1 - Quadratic Equations - Problem Set 10.1 - Page 442: 1
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