SOLUTION: Solve: x^3-3x^2-x+3=0 Looking for the roots. Thank you

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Question 301209: Solve:
x^3-3x^2-x+3=0
Looking for the roots.
Thank you
Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
x^3-3x^2-x+3=0
Solve by "grouping":
(x^3-3x^2)-(x-3)=0
x^2(x-3)-(x-3)=0
(x-3)(x^2-1) = 0
x = {3,-1,1}
.