8+2x−x2=08+4x−2x−x2=04(2 + x) - x(2 + x) = 0(4 - x)(2 + x) = 04 - x = 0 or 2 + x = 0x = 4 or x =- 2So, p = 4 and q = -2∴ p + q = 2