-2x
11c2-17
0.1x-1.2
-43y2+1715y-112
x+4y-7
-xy-11x+9y
2x+12y+9
79xy-2512x-12y
-2a+14
-x2+12x-2
6a+5b+7
5ab-12a+2b
-4a+28b+0.8
103a-52b+1415c
33x-16
3a+24
5x-253
13x+107
3x4+54
11x6-5y6
11x6-136
4
84x3y4z6
-6m3n4
-192m5n5
3a4b2c32
112m5n3
-x7y8z948
36x3y6
3a9b8c420
-4y3x
-6x2
-9q2pr6
-8y23x2
95m4
2ab23c
m24n
-96m2n5
x2
-4x3
6x2y2