(x + 1)(x + 2) x2 +3x + 2
(x + 1)(2x + 2) 2x2 +4x +2
(3x + 1)(2x + 2) 6x2 + 8x + 2
(x + 1)(x – 2) x2 – x – 2
(x + 1)(2x – 2) 2x2 – 2
(3x + 1)(2x – 2) 6x2 - 4x – 2
(x – 1)(x – 2) x2 - 3x + 2
(x – 1)(2x – 2) 2x2 – 4x + 2
(3x – 1)(2x – 2) 6x2 – 8x + 2
(x – 1)(x + 2) x2 + x – 2
(x – 1)(2x + 2) 2x2 – 2
(3x – 1)(2x + 2) 6x2 + 4x – 2