Asked by sydney
                please help me 
x^3-3x-3=0
thanks
            
        x^3-3x-3=0
thanks
Answers
                    Answered by
            MathMate
            
    There is the Cardano's formula for a cubic, see
http://www.math.vanderbilt.edu/~schectex/courses/cubic/
or you can use numerical methods to refine the single real root around 2.1038.
    
http://www.math.vanderbilt.edu/~schectex/courses/cubic/
or you can use numerical methods to refine the single real root around 2.1038.
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