Express 5x−13(x−1)(x−3)2\displaystyle \frac{5x-13}{(x-1)(x-3)^2}(x−1)(x−3)25x−13 in the form Ax−1+Bx−3+C(x−3)2\displaystyle \frac{A}{x-1}+\frac{B}{x-3}+\frac{C}{(x-3)^2}x−1A+x−3B+(x−3)2C.