If two zeros of the polynomial x^3-4x^2-3x+12 are root 3 and - root 3 then find it's third zero
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product of roots=-c/a
=-12/1=-12
let third root be x
√3(-√3)x=-12
-3x=-12
x=4
=-12/1=-12
let third root be x
√3(-√3)x=-12
-3x=-12
x=4
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