4x2-12x = 0 July 8, 2019 16 32 64 128 4x2 12x 9 0 4x2 12x 5 0 4x2 12x 8 0 4x2 12x 16 0 4x2 12x 3 0 4x2 12x 9 0 discriminant 4x2 12x 9 0 дискриминант 4x2 12x 9 0 quadratic equation 4x2 12x 13 0 4x2 12x 4 0