2x-16
-6c2-c
0.1x-1.2
-45a2-2a
6x-4
3a2+12a+18
-178x-25y+1
-120y2-112y
-2a+14
11a+16b-4c
13ab+2a+5b
-60x2+15x+120
-12a+8b-16
52x2+34y-43
-19x-4
-36x+9
3x-14
9a-16b
3x4+54
31x6+176
4a21-821
18a5-5b
33x2y
15a2b2c
-192m5n5
-5a2b4c4
-18ab4c3
-p9q5r496
36x3y6
-9m5n47
2a
4ab
9ab
9q8r2p
3x8y2
4y3x2z
-24y2x
225c4a4b6
-13b
-4x3
-7m2n25