in the exam today I had to find the value of x when

$\displaystyle x^3 - 19x - 54 = 0$

I lost 10 marks just because i did not know how to do it, is there a general method for it?

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- Apr 14th 2010, 04:19 PMwopashuiHow do i factor this
in the exam today I had to find the value of x when

$\displaystyle x^3 - 19x - 54 = 0$

I lost 10 marks just because i did not know how to do it, is there a general method for it? - Apr 14th 2010, 04:32 PMdwsmith
- Apr 14th 2010, 04:56 PMProve It