The problem is 5 - 1/3x6 + 3/x2-2x

I get all the way to 15x(x-2)(x-2) + x(x-2) + 9(x-2) / 3x(x-2)(x-2) but know i dont know what to do next. I know i can only cancel out common factors not terms. The numerator is still broken up into three terms so how do i combine like terms in the numerator?