SOLUTION: factorize using factor theorem: x^3+2x^2-x-2

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Question 1081954: factorize using factor theorem: x^3+2x^2-x-2
Answer by josgarithmetic(39621) About Me  (Show Source):
You can put this solution on YOUR website!
Possible rationals to check are -2, -1, 1, 2. 

-2   |   1   2   -1   -2
     |      -2    0    2
     |___________________________
        1    0   -1    0

Quotient there means  x%5E2-1=%28x-1%29%28x%2B1%29.


highlight%28%28x%2B2%29%28x%2B1%29%28x-1%29%29