18x 2 8 0 July 8, 2019 16 32 64 128 5x 2 18x 8 0 9x 2 18x 8 0 X 2 18x 8 0 4x 2 18x 8 0 7x 2 18x 8 0 3x 2 18x 8 0 2x 3 3x 2 18x 8 0 9x 3 18x 2 4x 8 0 18x 2 24x 8 0 9x 2 18x 8 0 complete the square