Express 6x2−x+1(3x−1)(x+1)\displaystyle \frac{6x^2-x+1}{(3x-1)(x+1)}(3x−1)(x+1)6x2−x+1 in the form A+B(3x−1)+C(x+1)\displaystyle A + \frac{B}{(3x-1)} + \frac{C}{(x+1)}A+(3x−1)B+(x+1)C
