-6y
-12x2-2x
-52a
-56x+23y+12
6x-4
13x2-2x+2
76x+47y-2
10x2+78x+13
-2a-11b
3a-3c
-2x+6y+3
5ab-12a+2b
-4a+28b+0.8
58x2-52y2
31x-2
17x2-7x-82
-12a-125b+72
-12a+b
3x4+54
41a24+524
11a20+47b20
11a12-b12
84x3y4z6
s4t324
-192m5n5
-x4y442
-18ab4c3
-96x5y3
20m17n11
-25x10y63
2a
-3x22
9ab
-3x16
12x
12y3x3
m24n
225c4a4b6
2a29b
m6n24
6x2y2