SOLUTION: what are the possible number of positive,negative,and imaginary roots of f(x)=x3-2x2-3x-20

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Question 283187: what are the possible number of positive,negative,and imaginary roots of f(x)=x3-2x2-3x-20
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
there are three roots- one real root and two complex roots
f(x)=(x-4)*(x^2+2x+5)