SOLUTION: Solve for x x^3 + 3x^2 - 4x - 12 = 0

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Question 31967This question is from textbook Intermedate Algebra
: Solve for x
x^3 + 3x^2 - 4x - 12 = 0 This question is from textbook Intermedate Algebra

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
x^2(x+3)-4(x+3)=0
(x+3)(x^2-4)=0
(x+3)(x-2)(x+2)=0
x=-3 or x=2 or x=-2
Cheers,
Stan H.