6b2 - 4
(r - 3)(3r + 3)
3r2 - 6r - 9
2n4 + 10n3
2n3(n + 5)
24n3 + 28n2 - 30n - 35
(4n2 - 5)(6n + 7)
k2 - k - 2
(k - 2)(k + 1)
(5x4 + 3) - (3 + 2x)
5x4 - 2x
(b + 5)(3b + 4)
3b2 + 19b + 20
2x3 - 6
2(x3 - 3)
8b3 + 3b2 + 40b + 15
(b2 + 5)(8b + 3)
5p2 - 8p + 3
(5p - 3)(p - 1)
(12x3 - x5 - 8x2) - (4x2 + 13 - x3)
(-6r + 2)(7r + 3)
-42r2 - 4r + 6
12x - 16xy2 + 12x2
4x(3 - 4y2 + 3x)
15b3 + 24b2 + 25b + 40
(3b2 + 5)(25b + 40)
25n2 - 9
(5n - 3)(5n + 3)
(1 + 3r2 + 14r5) - (13 + 11r5 + 7r2)
3r5 - 4r2 - 12
(8n - 3)(6n2 - 3n - 8)
48n3 - 42n2 - 55n + 24
-40u2v - 80u3 + 70u5
10u2(-4v - 8u + 7u3)
35x3 + 7x2 - 40x - 8
(7x2 - 8)(5x + 1)
9b2 - 4
(3b - 2)(3b + 2)
(-9x3y2 - 3x3) - (9x + 13x3 - 8x3y2) + (-8x3y2 - x)
-9x3y2 - 16x3 - 10x
(6x + 8)(3x2 - 2x + 3)
18x3 + 12x2 + 2x + 24
40a3b + 24a2b + 36b2
4b(10a3 + 6a2 + 9b)
6n3 + 24n2 + 5n + 20
(6n2 + 5)(n + 4)
4n2 -16n + 16
(2n - 4)2