-22a+35
6x2-2x+9
43x-178y
1712x-1112
-x+5
7x-7
2x+12y+9
218x-218y
-2a+14
11a+2b-8
2ab+15a-17b
-3a+2b
-1.2a-3b+24c
52x2+34y-43
-5x+3
17x2-7x-82
-3x-14
-x-12y
3x4+54
a6-b6
11a20+47b20
4
48a2bc
20x3yz43
-168a5b3
3a4b2c32
-72a3b4c5
2a5b2c3
-p5q4r425
3a9b8c420
-23m3
-2y2z3x
8a3b2
-8y23x2
9z2x2
2ab23c
-24y2x
-72qp
2m2
a2bc25
3a4bc