Answer
The roots are $x=-3$ and $x=8$.
Work Step by Step
The given equation is
$\Rightarrow (x+3)(x-8)=0$
Use zero product property rule.
$\Rightarrow x+3=0$ or $x-8=0$
Solve for $x$.
$\Rightarrow x=-3$ or $x=8$
The roots are $x=-3$ and $x=8$.
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 8 - Graphing Quadratic Functions - 8.4 - Graphing f(x) = a(x-h)^2 + k - Exercises - Page 448: 81
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