2x-16
11c2-17
0.1x-1.2
-56x+23y+12
-10x-2y+2
2ab-2a+12b
x2+2x+35
103x+12
-2a+14
11a+2b-8
13ab+2a+5b
10ab-15a+45b
-12a+8b-16
-32a+2b-32
11x+5
17x2-7x-82
-2x-6y
9a-16b
x2+11y2
31x6+176
11a20+47b20
18a5-5b
33x2y
20x3yz43
72x3
-m6n72
24x4
200x5
36x3y6
3a9b8c420
-23m3
-3x22
-5x3y
-3x16
12x
2ab23c
b32ac2
-72qp
-7q2r29p
-xy2
2xy2z