The following equation is given. Complete parts (a)-(c).
x^(3)-5x^(2)-4x 20=0
a. List all rational roots that are possitie according to the Rational Zero Theorem. (Use a comma to separate anowers as needed.) b. Use synthetic division to test several possible rational roots in order lo idertify one actual root. One rational root of the given equation is
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(firrelfy your anower) c. Use the root from part (b) and solve the equation The solution set of
x^(3)-5x^(2)-4x 20=0
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