-12c+7
8y2-6y
-0.1x2-0.4x
-56x+23y+12
6x-4
-15x3+6x2+11x
136x-114
-18x3+542x2+116x
-2a+14
11a+16b-4c
5a+5b-c
-21x+15y
-1.2a-3b+24c
-8x-9y
33x+8
-2x+63y+1
-2x-6y
12a+13b
3a4+12
-6x35-3835
9x35+71y35
2x3-2y3
-35x4y5
4abc25
72x3
-5a2b4c4
12x3y3
-p9q5r496
-189a9b3c5
a9b11c784
2a
-6x2
-2x2
-8y23x2
-10ab3
8n4m
-649p3q2
3200b
-13b
-y2z
-7m2n25