Suma por diferencia
(a - 9)(a + 9)
(a2 - 81)
(v-6)2
v2-12v+36
(x2+3)(2)
2x2+6
(x+1)3
x3+3x2+3x+1
(c+11)(c-11)
(c2-121)
(3y + 4x)(3y - 4x)
(9y2 -16x2)
(4x+3y)2
16x2+24xy+9y2
(5x+4)(x2)
(5x3+4x2)
(x+5)3
x3+15x2+75x+125
(2x3+4x)(2x3-4x)
(4x6-16x2)
(x2 + 7)(x2 - 7)
(x4 - 49)
(1/3x+z)2
1/9x2+2/3xz+z2
(6y3+3)(5z-4)
30y3z-24y3+15z-12
(m+7)3
m3+21m2+147m+343
(6x2-8)2
36x4-96x+64
(5z6 - x7)(5z6 + x7)
(25z12 - x14)
(5b4-a3)2
25b8-10a3b4+a6
(7a4+2b2)(3a3-5b5)
21a7-35a4b5+6a3b2-10b7
(2x-6)3
8x3-72x2+216x-216
(1/2a+a2)(1/4a3)
1/8a4+a5
(6x48 - 12y32)(6x48 + 12y32)
(36x96 - 144y64)
(3/2e5+1/2k3)
9/4e10+6/4e5k3+1/4k6
(5m4+3n5-2o2)(6a+4)
30m4a+20m4+18an5+12n5-12ao2-8o2
(3x-2y)3
27x3-54x2y+36xy2-8y3
(2b-2)3
8b3-24b2+24b-8