SOLUTION: identify all double roots t^3-t=0

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Question 976096: identify all double roots
t^3-t=0
Answer by josgarithmetic(39625) About Me  (Show Source):
You can put this solution on YOUR website!
t%28t%5E2-1%29=0

t%28t-1%29%28t%2B1%29=0

No double roots. The roots are -1, 0, 1.