M 1 x 2 2mx m 2 0 July 8, 2019 16 32 64 128 M 1 x 2 2mx m 3 0 M 1 x 2 2mx m 4 0 Persamaan kuadrat m 1 x2 2mx m 2 0 Cho pt x 2 2mx m 2 m 1 0 Cho phương trình x 2 2mx m 2 m 1 0 Cho pt bậc 2 m 1 x 2 2mx m 1 0
