X 4 2x 3 9x 2 2x 8 0 July 8, 2019 16 32 64 128 9 x 8 = 4 ^ x - 9 * 2 ^ x + 8 = 0 9x + (x/(x - 2) - x/(x + 2)) / (8/(x ^ 2 - 4)) - 4 x - 8 x 9 - 2x