Elementary Algebra

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

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: $x+15=0$ $x=-15$
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