Express x3+5x2+3x+6(x−1)(x+4)\displaystyle \frac{x^3+5x^2+3x+6}{(x-1)(x+4)}(x−1)(x+4)x3+5x2+3x+6 in the form Ax+B+C(x−1)+D(x+4)\displaystyle Ax+B + \frac{C}{(x-1)} + \frac{D}{(x+4)}Ax+B+(x−1)C+(x+4)D
