2 4x 7 0 July 8, 2019 16 32 64 128 X 2 4x 7 0 2x 2 4x 7 0 3x 2 4x 7 0 X 2 4x 7 0 complete the square X 2 4x 7 0 quadratic formula 3x 2 4x 7 0 quadratic formula 2x 2 4x 7 0 quadratic formula 5x 2 4x 7 0 2x 2 4x 7 0 complete the square 8x 2 4x 7 0 4x 2 0 7 2x 10 6x 2 4x 7 0 9x 2 24x 7 0 4x 2 12x 7 0 4x 2 16x 7 0