X 2 m 1 x 4m 0 July 8, 2019 16 32 64 128 X 2 2 m 1 x 4m 11 0 X 2 2 m 1 x 4m 8 0 X2 2 m 1 x 4m 0 Mx 2 2 m 1 x 4m 0 Cho pt x 2 2 m 1 x 4m 11 0 X 2 4m 1 x 2 m 4 0 Cho pt x 2 4m 1 x 2 m 4 0 Cho phương trình x 2 2 m 5 x 4m 1 0 X 2 2m 1 x 4m 3 0 X 2 2 m 1 x m 2 4m 5 0
