5x 2 2x 9 0 July 8, 2019 16 32 64 128 2x 3 5x 2 6x 9 0 2x 2 5x 3 x 2 9 0 5x2 2x 9 0 quadratic equation 2x 2 5x 9 0 quadratic formula If 2x 5 3 5x 2 9 0 find x Solve 2x 3 5x 2 6x 9 0 2x 4 5x 3 10x 2 9 0 5x 2 y 2 4xy 2x 2y 9 0