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What is the sum of the roots of the polynomial shown below?
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F(x)=(x-1)(3x^2+15x+18)=3(x-1)(x+2)(x+3) roots: x=1,-2,-3
sum of these is -4 (why do you want the sum?)
Thats what the question says... (the sum)
roots x1, x2, x3
sum of roots=-(12/3)=-4
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