2x 2 12x 4 0 July 8, 2019 16 32 64 128 2x 2 12x 4 0 completing the square 2x 3 9x 2 12x 4 0 2x 4 3x 3 8x 2 12x 0 X 4 4x 3 2x 2 12x 9 0 2x 4 12x 2 16 0 2x 4 12x 2 10 0 X 4 4x 3 2x 2 12x 3 0 2x + y = 4