(x + 3) (x + 2) =
(9x - 4) (9x + 3) =
(3x - 8) (3x - 5) =
(2x + 5) (2x - 9) =
(7x - 15) (7x - 1) =
(x - 4) (x + 2) =
(x - 12) (x + 14) =
(4x + 11) (4x - 2) =
(x - 6) (x - 10) =
(x - 11) (x + 3) =
x2 - 8x - 33
81x2 - 9x - 12
49x2 - 112x + 15
4x2 - 8x - 45
x2 - 16x + 60
16x2 + 36x - 22
x2 + 5x + 6
x2 + 2x - 168
x2 - 2x - 8
9x2 - 39x + 40