X 2 5x 6 x 2 4x 4 July 8, 2019 16 32 64 128 Rút gọn x 2 5x 6 x 2 4x 4 Rút gọn phân thức x 2 5x 6 x 2 4x 4 Find the difference 5x x 2 x 6 4 x 2 4x 4 4x x 2 2x 2 x 2 6 5x 4 x 2
