X 4 x 2 6x 8 0 July 8, 2019 16 32 64 128 X 4 x 3 6x 2 4x 8 0 X 5 x 4 6x 3 6x 2 8x 8 0 Giải pt x 4 x 2 6x 8 0 X 3 4x 2 6x 8 0 Log1 5 x 2 6x 8 )+ log5 x 4 0 4 ^ x - 6 * 2 ^ x + 8 = 0 (x ^ 2 - 6x + 8)/(x ^ 2 - 4x + 4) = 0
