X 4 25x 2 0 July 8, 2019 16 32 64 128 X 4 25x 2 144 0 X 4 25x 2 60x 36 0 4 0 25x 1 )= 2 x 0 5 Solve x 4 25x 2 144 0 X 6 2x 4 25x 2 50 0 X 4 x 3 27x 2 25x 50 0 Tìm x biết 4 25x 2 0 X ^ 4 - 25 = 0 4 ^ x - 0 25 ^ (x - 2) = 15