2 x 2 7x 4 July 8, 2019 16 32 64 128 2x 2 x 2 7x 4 X 2 7x 4 0 X 2 7x 44 X 2 7x 44 0 X 2 7x 49 X 2 7x 4 0 complete the square X 2 7x 49 0 X 2 7x 42 X 2 7x 40 0 X 2 7x 450 X 2 7x 48 X 2 7x 450 0 X 2 7x 4 3x 6 X 2 7x 4 =- 10 2x 2 7x 4 0 quadratic formula