SOLUTION: Factor completely. If the polynomial is prime, state this. thanks x^3 + 3x^2 - 28x

Algebra ->  Equations -> SOLUTION: Factor completely. If the polynomial is prime, state this. thanks x^3 + 3x^2 - 28x       Log On


   

Question 242681: Factor completely. If the polynomial is prime, state this. thanks
x^3 + 3x^2 - 28x
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Factor completely. If the polynomial is prime, state this. thanks
x^3 + 3x^2 - 28x
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Common Factor: x
x(x^2 + 3x - 28)
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x(x^2+7x-4x-28)
x(x(x+7)-4(x+7))
x(x+7)(x-4)
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Cheers,
Stan H.