2x 2 13x 6 0 July 8, 2019 16 32 64 128 2x 3 9x 2 13x 6 0 Solve 2x 3 x 2 13x 6 0 2x 4 7x 3 2x 2 13x 6 0 Решить уравнение 2x 3 x 2 13x 6 0 Solve 2x 2 13x 6 0 Cho phương trình 2x 2 13x 6 0 Solve the equation 2x 3 x 2 13x 6 0 2 x 13