-2x
6x2-2x+9
43x-178y
-3712c2+16c
2ab+7a-10b
10x-7y
920ab-310a-b
-18x3+542x2+116x
-6x+9y
-5x+9y+4
13a-5b-7c
48a-36b
-7ab-212a+283
-10a-27b+60
40x+3
17x2-7x-82
3128a+8615b
-3a+47b
-22a5-35
-6x35-3835
27x4-214
11a12-b12
33x2y
15a2b2c
96x2y2z2
a5b6c4
-72a3b4c5
200x5
36x3y6
3x5y4
-23m3
4ab
9ab
-8y23x2
-43a3
12y3x3
-24y2x
-96m2n5
10x
a2bc25
-7m2n25