Level 1
(r+1)(r−3)
r2−2r−3
(3p−3)(p−1)
3p2−6p+3
(4n+4)(5n−8)
20n2−12n−32
2(x+8)(x+4)
2x2+24x+64
(k−2)(k−3)
k2−5k+6
(3p+3)(3p+2)
9p2+15p+6
(5x−2)(5x−8)
25x2−50x+16
-3(x-5)(x+9)
-3x2-12x-135
(n−1)(2n−2)
2n2−4n+2
(2x+3)(2x−3)
4x2−9
(6x+2)(2x+8)
12x2+52x+16
5(x-1)(x-9)
5x2-50x+45
(3n+2)(n+3)
3n2+11n+6
(v−1)(3v−3)
3v2−6v+3
(3x+3)(x+4)
3x2+15x+12
2(2x+11)(x+3)
4x2+34x+66
(2n+3)(2n+1)
4n2+8n+3
(2x−3)(3x+3)
6x2−3x−9
(5v+4)(3v−6)
15v2−18v−24
5(6x-7)(x+2)
30x2+25x-70