9x 2 2x 7 0 July 8, 2019 16 32 64 128 2x 2 9x 7 0 completing the square 2x 2 9x 7 0 quadratic formula 2x 2 9x 7 0 solve by factoring 2x 2 9x 7 0 complete the square Solve 2x 2 9x 7 0 Solve for x 2x 2 9x 7 0 2x 9