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What are the three cube roots of -1?

Not sure if this is a trick question, But I have been asked this. one of the ansers is -1, what are the other 2?

  • 3
    Hint: $x^3+1=(x^2-x+1)(x+1)$. The solution to the quadratic equation might be useful here.2010-11-03
  • 0
    [This](http://math.stackexchange.com/questions/3315) is related.2010-11-03
  • 0
    They are $-x$ where $x$ runs through the cube roots of 1.2010-11-03

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