-2x
2x2+5x
0.1x-1.2
-18y2-56y
-x+5
-28a2+22a
16x+16
-120y2-112y
-2a+14
11a+2b-8
5a+5b-c
30x2-35x
25x2-252x+10
-10a-27b+60
40x+3
17x2-7x-82
5x-253
-114y
11x3-13
a6-b6
4a21-821
2x3-2y3
84x3y4z6
-6m3n4
72p4q3r5
-5a2b4c4
24x4
-p9q5r496
-189a9b3c5
a9b11c784
-4y3x
2pq23r2
-8p2q7r83
-28a33b2
12x
3c320b4
-24y2x
-72qp
x2
-y2z
2xy2z