Dividing Polynomials with 2 or More Unknowns

If $y$ and $z$ are unknown constants, write the algebraic fraction $$\frac{x^3-2x^2-xyz+2xy+yz}{x-2}$$ in the form $$\text{quotient} + \frac{\text{remainder}}{x-2}$$ where the remainder is an expression in $y$ and $z$.