2x 1 2 4x 2 1 0 July 8, 2019 16 32 64 128 2x 1 2 4x 2 1 0 tìm x 2x 1 2 4x 2 5 0 1 2 2x 0 1 )= 2 4x 0 08 Tìm x biết 2x 1 2 4x 2 1 0 2x 1 2 4x 2 5 0 is not a quadratic equation X 2x 1 )- 4x 2 1 0
