2x 7x 8 0 July 8, 2019 16 32 64 128 2x 2 7x 8 0 7x 2 2x 8 0 discriminant 2x 2 7x 8 0 quadratic formula Solve the equation 2x 2 7x 8 0 2x 7 2 7x8 2x-7 8