X 4 2 11 0 July 8, 2019 16 32 64 128 X 4 12x 2 11 0 X 4 10x 2 11 0 X 4 5x 2 2x 11 0 X 2 5x 11 4 0 complete the square X 2 5x 11 4 0 X 2 11 4 x 15 8 0 9 2 11 4 x 0.5 2 x square 11 x 4 0 Solve x 4 11 x 2 18 0 X 4 x 4 x 4