SOLUTION: Solving the following polynomial equation? f(X)=x^3+3x^2+25x+75

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Solving the following polynomial equation? f(X)=x^3+3x^2+25x+75      Log On


   

Question 363152: Solving the following polynomial equation?
f(X)=x^3+3x^2+25x+75
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
For zeros?
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graph%28300%2C300%2C-5%2C5%2C-5%2C5%2Cx%5E3%2B3x%5E2%2B25x%2B75%29
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f%28x%29=x%5E3%2B3x%5E2%2B25x%2B75=%28x%2B3%29%28x%5E2%2B25%29
Real:
x%2B3=0
highlight%28x=-3%29
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Complex:
x%5E2%2B25=0
x%5E2=-25
highlight%28x=0+%2B-+5i%29