SOLUTION: the three roots of x3+2x2-x-2=0

SOLUTION: the three roots of x3+2x2-x-2=0

Algebra.Com

Question 331825: the three roots of x3+2x2-x-2=0
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!

Group terms:

Factor:

.
Roots are:
x ={-2, -1, 1}
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