Answer
$x=-4$ and $x=0$
Work Step by Step
The given equation is
$x^2+4x=0$
Graph the related function.
$f(x)=x^2+4x$
The $x-$intercepts are is $-4$ and $0$.
Hence, the solutions are $x=-4$ and $x=0$.
Big Ideas Math - Algebra 1, A Common Core Curriculum
by Larson, Ron; Boswell, Laurie
Published by
Big Ideas Learning LLC
ISBN 10:
978-1-60840-838-2
ISBN 13:
978-1-60840-838-2
Chapter 9 - Solving Quadratic Equations - 9.2 - Solving Quadratic Equations by Graphing - Monitoring Progress - Page 491: 5
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