X 4 8 2x 9 5 July 8, 2019 16 32 64 128 X 4 5x 8 6 2x 9 3 9 x 8 = - 4 x - 8 x 9 - 2x 4 ^ x - 9 * 2 ^ x + 8 = 0 X ^ 4 - 8x ^ 2 - 9 =
