4 2 x 8 0 x 5 6 July 8, 2019 16 32 64 128 Rewrite 4 2 x 8 0 x 5 6 0 4 x 8 65 x 2 5 4 ^ x - 6 * 2 ^ x + 8 = 0 4 2•0 8-x=4 2 4 5×4 8+0 8 -5 2 - 4 8
