12 5x 0 July 8, 2019 16 32 64 128 5x 12 0 by quadratic formula 5x 12 0 imaginary root 5x 12 0 x 12 3x 5x 0 12 5 5x 0 12 5x x2 0 4x2 5x 12 0 4x2 5x 12 0 discriminant 4x2 5x 12 0 nature of roots 4x 5x 12 0 4y2 5x 12 0 3x2 5x 12 0 2x 5x 12 0 X2 5x 12 0 discriminant 4v2 5x 12 0
