SOLUTION: Use the rational zero theorem to find all real zero of each polynomial function. Use the zeros to factor if the over the real numbers... f(x)=-3x^3+6x^2-15x-30

Question 523014: Use the rational zero theorem to find all real zero of each polynomial function. Use the zeros to factor if the over the real numbers...
f(x)=-3x^3+6x^2-15x-30
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Use the rational zero theorem to find all real zero of each polynomial function. Use the zeros to factor if the over the real numbers...
f(x)=-3x^3+6x^2-15x-30
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= -3[x^3-2x^2+5x+10]
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There is only one rational zero around x = -1.1562..
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Cheers,
Stan H.
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