2 x 0 80 July 8, 2019 16 32 64 128 2 2x 80 0 2x 2 800 0 X 2 2x 80 0 X 2 2x 80 0 complete the square 3x 2 x 80 0 X 2 2x 80 0 solve by factoring X 2 18x 80 0 X 2 16x 80 0 X 2 11x 80 0 X 2 8x 80 0 X 2 24x 80 0 X 2 10x 80 0 X 2 21x 80 0 X 2 12x 80 0 X 2 20x 800 0