X 2 55 0 July 8, 2019 16 32 64 128 X 2 6x 55 0 X 2 16x 55 0 X 2 2x 55 0 X 2 5x 55 0 X 2 20x 55 0 X 2 6 55 0 X 2 15x 55 0 Х 2 6х 55 0 X 2 6x 55 0 complete the square X 2 16x 55 0 complete the square X 2 8x 55 0 X 2 14x 55 0 X 2 bx 55 0 X 2 55 x 750 0 2 x 55 )( x 17 )= 0