Express
9−4x2−x(2x−1)(2−x)\displaystyle \frac{9-4x^2-x}{(2x-1)(2-x)}(2x−1)(2−x)9−4x2−x
in the form
A+B2x−1+C2−x\displaystyle A+\frac{B}{2x-1}+\frac{C}{2-x}A+2x−1B+2−xC.