#### Answer

{$-2,-1,2$}

#### Work Step by Step

Given: $x^3+x^2=4x+4$
Solve the given expression as follows:
$x^3+x^2-4x-4=0$
or, $x^2(x+1)-4(x+1)=0$
or, $(x+1)(x^2-4)=0$
or, $(x+1)(x-2)(x+2)=0$
or, $x=-1,-2,2$
Our solution set is: {$-2,-1,2$}

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Published by
Pearson

ISBN 10:
0-13417-894-7

ISBN 13:
978-0-13417-894-3

{$-2,-1,2$}

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