SOLUTION: Solve the equation x^3+2x^2+x+2=0, if -2 is a root.

SOLUTION: Solve the equation x^3+2x^2+x+2=0, if -2 is a root.

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Question 246152: Solve the equation x^3+2x^2+x+2=0, if -2 is a root.
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
x^3+2x^2+x+2=0, if -2 is a root.
-2^3+2*-2^2-2+2=0
-8+2*+4-2+2=0
-8+8-2+2=0
0+0=0
0=0
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