SOLUTION: Need help - x3 + x2 = 4x + 4, please?

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Question 515137: Need help - x3 + x2 = 4x + 4, please?
Answer by Gogonati(855) About Me  (Show Source):
You can put this solution on YOUR website!

Set the equation equal to zero
x3%2Bx%5E2-4x-4=0 Factor the left side of equation
x%5E2%28x%2B1%29-4%28x%2B1%29=0
%28x%2B1%29%28x%2B2%29%28x-2%29=0 Solve the equation setting each factor to zero:
x+1=0 => x=-1; x+2=0 => x=-2, and x-2=0 => x=2
Answer:The solution set is {-2, -1, 1}