-23c
-c2-6c
-3.5a2+0.8a
118x2+34x
6x-4
2ab-2a+12b
-16x2-16x+56
-3a-14b
-2a+14
11a+16b-4c
6a+5b+7
-60x2+15x+120
-4a+28b+0.8
12x-10
31x-2
6x-25y
154a+7
x+23y
11x3-13
31x6+176
4a21-821
18a5-5b
14a2b2c4
s4t324
96x2y2z2
-5a2b4c4
112m5n3
-p9q5r496
20m17n11
3x5y4
-23m3
-6x2
8a3b2
-8y23x2
9z2x2
4y3x2z
b32ac2
3200b
-8x2y3z
103a2
6x2y2