SOLUTION: Could any one pls help to solve this -How do you solve an equation like x3 + 2x2 – 88x + 200 = 0

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Question 297603: Could any one pls help to solve this -How do you solve an equation like x3 + 2x2 – 88x + 200 = 0
Answer by Fombitz(13828) About Me  (Show Source):
You can put this solution on YOUR website!
First step is to graph it.
graph%28300%2C300%2C-15%2C15%2C-100%2C100%2Cx%5E3%2B2%2Ax%5E2-88x%2B200%29
Yikes, unfortunately this equation does not have simple (integer or rational)
roots. I suggest using www.1728.com/cubic.htm which has a cubic equation solver. From that site,
x=6.687,x=-11.327,x=2.640 are roots for this equation.