x-4y+2
6x2-2x+9
7.3x2-2.5x+1.8
2a-835
6x-2y+9
3a2+12a+18
-2x+2
218x-218y
-2a+14
-5x+9y+4
5a+5b-c
12x+18y-30
-7ab-212a+283
-16x+15
-2x+27
-2x+63y+1
-47x-y
-376a-56
3a4+12
41a24+524
27x4-214
2x3-2y3
33x2y
3x2y
-56x5y7
-x4y442
112m5n3
-27m7n4
36x3y6
3a9b8c420
3a2
-3x22
8a3b2
9a2
-10ab3
12y3x3
-24y2x
3200b
x2
m6n24
3a4bc