Related Post: X 2 28 0 X 2 28x 0 X 2 11x 28 0 Complete The Square X 2 3x 28 0 X 2 11x 28 0 X 2 12x 28 0 X 2 11x 28 0 Quadratic Formula X 2 3x 28 0 Quadratic Formula X 2 16x 28 0 X 2 11x 28 0 Factoring