-23c
8y2-6y
1.5a-0.9
53x2-2320x+19
-x+5
-15x3+6x2+11x
83x-1
218x-218y
-2a+14
-x2+12x-2
-2x+6y+3
30x2-35x
-1.2a-3b+24c
2x-3
-2a+8c
53x-54
1712a+49b
13x+107
11x3-13
11x6-5y6
4a21-821
23x6-76
84x3y4z6
20x3yz43
-168a5b3
-5a2b4c4
-18ab4c3
2a5b2c3
20m17n11
-25x10y63
-4y3x
4ab
-2x2
-8y23x2
95m4
8n4m
-125a
-96m2n5
-13b
-c2ab
-7m2n25