(a+b)2
(k + 4)2
k2+8k+16
(b - c)2
b2-2bc+c2
2a - 2b
2(a-b)
55d + 11c
11(5d+c)
(r + t)2
r2+2rt+t2
(7r-3)2
49r2-42r+9
4x+2y
2(2x+y)
abc - a2b3c
abc(1 - ab2)
(2x+7)2
4x2+28x+49
(g4-1)2
g8-2g4+1
xy-x
x(y-1)
64x6-24x2
8x2(8x4-3)
(g2+6)2
g4+12g2+36
(0,5a-4)2
0,25a2-4a+16
x3+x2
x2(x+1)
4x - 16y + 24z
4(x-4y+6z)
(3h3+2h)2
9h6+12h3+4h2
(6x2y - 2x)2
36x4y2-24x3y+4x2
5ab-10a2
5a(b-2a)
3a - 15a3-9ab
3a(1-5a2-3b)