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
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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.