2x-16
2x2+5x
43x-178y
2a-835
-x+5
10x-7y
2x+12y+9
-18x3+542x2+116x
-2a+14
11a+16b-4c
13ab+2a+5b
10ab-15a+45b
3x-2
165ab-3a+3518b
-33x-1
2a-26b-39c
10x-233y
4x-5y
3a4+12
11x6-5y6
-68a15+10615
11a12-b12
-35x4y5
3x2y
72x3
-x4y442
112m5n3
-96x5y3
32x6y7
a9b11c784
2a
-2y2z3x
8a3b2
-3x16
95m4
12y3x3
-649p3q2
-72qp
-q2r23
-c2ab
3a4bc