SOLUTION: I'm having trouble solving the following: x3 + 2x2 - x - 2 = 0. and sqrt(1-3x)-1 = x

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Question 459867: I'm having trouble solving the following:
x3 + 2x2 - x - 2 = 0.
and
sqrt(1-3x)-1 = x
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
First one
(x-1) (x+1) (x+2) = 0