X 3 x 2 5x 125 July 8, 2019 16 32 64 128 X 3 5x 2 25x 125 X 3 5x 2 25x 125 0 F x )= x 3 5x 2 25x 125 X mũ 3 trừ x mũ 2 5x 125 3 x-5=x+3
