3 x 1 6 x 7 12 July 8, 2019 16 32 64 128 (- 5 6 * x 7 12 (- 1 3 * x 1 4 12x - 4 3 2 x 7 )+ 3x - 1 6 x 2 1 12 x 3 7 x 1 6 as a fraction 3 2x 1 )/ 4 5x 3 6 x 1 3 x 7 12
