X 2 2 2x 11 July 8, 2019 16 32 64 128 X 7 2 2x 2 11x 23 X 2 2x 11 0 X 2 y 2 2x 4y 11 0 X 2 2x 11 4 X 2 y 2 2x 4y 11 2 x 5 2 11 2x X 2 22x 117 0 X 2 22x 112 0 X 3 2 2x 11 2 X 2 2x 2 11 x 2 2x )+ 24 X 2 4y 2 115 2x X 2 2x 11 0 completing the square X 2 3x 5 2x 2 11x 1 X 2 2x 1125