Related Post: $4 X 2 12x 9 =$ 4x 4 12x 2 9 4x 4 12x 2 9 0 4 X 2 12 X 9 0 4 X 2 12 X 9 9x 4 X 2 12x 36 4x 2 12x 9 0 Quadratic Formula 4x 2 12x 9 Factored 4x 2 12x 9 0 Solve By Factoring 4x 2 12x 9 0 Discriminant