x^3-14x+8 / x-4
You should try polynomial long division to see if (x-4) is a factor.
It is not a factor.
However,
(x^3 -14x -8)/(x-4) = x^2 +4x +2
Are you sure you had the correct sign in front of the 8?
It is not a factor.
However,
(x^3 -14x -8)/(x-4) = x^2 +4x +2
Are you sure you had the correct sign in front of the 8?