Level 1
(n+2)(n+3)
n2+5n+6
(3p−3)(p−1)
3p2−6p+3
(4n+4)(5n−8)
20n2 − 12n − 32
(3p+3)(3p+2)
9p2+15p+6
(5x−2)(5x−8)
25x2 − 50x + 16
(x+3)(x−5)
x2 - 2x - 15
(k−2)(k−3)
k2 − 5k + 6
(6x+2)(2x+8)
12x2 + 52x + 16
(r+1)(r−3)
r2−2r−3
(v−1)(3v−3)
3v2 − 6v + 3
(3x+3)(x+4)
3x2 + 15x + 12
(n+3)(n+1)
n2+4n+3
(2x−3)(3x+3)
6x2 − 3x − 9
(5v+4)(3v−6)
15v2 − 18v − 24