Level 1
(3n+2)(n+3)
3n2+11n+6
(3p−3)(p−1)
3p2−6p+3
(4n+4)(5n−8)
20n2−12n−32
(x + 3y)(2x - 5y)
2x2 + xy - 15y2
(n−1)(2n−2)
2n2−4n+2
(3p+3)(3p+2)
9p2+15p+6
(5x−2)(5x−8)
25x2−50x+16
(x - y)(3x - 2y)
3x2 -5xy + 2y2
(2x+3)(2x−3)
4x2−9
(k−2)(k−3)
k2−5k+6
(6x+2)(2x+8)
12x2+52x+16
(3 + 7x)(6 + 2x)
14x2 + 48x + 18
(r+1)(r−3)
r2−2r−3
(v−1)(3v−3)
3v2−6v+3
(3x+3)(x+4)
3x2+15x+12
(x2 + 3)(x2 + 3)
x4 +6x2 + 9
(2n+3)(2n+1)
4n2+8n+3
(2x−3)(3x+3)
6x2−3x−9
(5v+4)(3v−6)
15v2−18v−24
(x2 - 3y)(x + 7)
x3 + 7x2 - 3xy - 21