SOLUTION: Find all roots of x3 + 2x2 + 2x + 1. Hint: Find the rational one(s) first.

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Question 660350: Find all roots of x3 + 2x2 + 2x + 1. Hint: Find the rational one(s) first.
Answer by lynnlo(4176) About Me  (Show Source):
You can put this solution on YOUR website!
simplify=========9x+1
roots============x=-1
rational=========±1,±1/3,±1/9