X 4 2x 3 12x 2 18x 27 July 8, 2019 16 32 64 128 4 18 - 12x = 3 22 (12x + 4)/(x ^ 2 + 2x - 3) = (3x - 2)/(x - 1) - (2x + 3)/(x + 3)
