(x^3+3^3)/(x-3) - x^2 - 3x -9 =(x+3)(x^2-3x+9)/(x-3) -(x^2+3x+9)=
(x+3)(x^2-3x+9) -(x^2+3x+9)*(x-3) =
x-3
x^3-3x^2+9x+3x^2-9x+27 - x^3+3x^2-3x^2+9x-9x+27=
27 +27=
54
(x^3+3^3)/(x-3) - x^2 - 3x -9 =(x+3)(x^2-3x+9)/(x-3) -(x^2+3x+9)=
(x+3)(x^2-3x+9) -(x^2+3x+9)*(x-3) =
x-3
x^3-3x^2+9x+3x^2-9x+27 - x^3+3x^2-3x^2+9x-9x+27=
x-3
27 +27=
x-3
54
x-3