4x 2 4x 1 0 discriminant July 8, 2019 16 32 64 128 2x 2 4x 1 0 discriminant 4x 2 5x 1 0 discriminant X 2 4x 1 0 discriminant Find the discriminant of 4x 2 4x 1 0 Discriminant of quadratic equation 4x 2 4x 1 0