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OpenStudy (anonymous):
what is the sum of the roots of the polynomial shown below? F(x)=3x^3+12x^2+3x-18
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OpenStudy (gorv):
sum of the roots = coefficient of x^2
OpenStudy (gorv):
divide by coeffient of x^3
OpenStudy (gorv):
-12/3=4
OpenStudy (anonymous):
thanks
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