X 3 2 1 2 4x 9 2x 3 July 8, 2019 16 32 64 128 Express 3 2x 3 1 2 x 3 6 4x 2 9 9 * 3 ^ (x ^ 2 - 4x) 3 ^ - 1 3 x 3 = 9 2) 3 ^ - 1 * x + 3 ^ - 2 * x = 9 ^ - 2 + x 4) 4 ^ - 1 * x - 2 ^ - 2 * x = 8 ^ 2 + x