-12c+7
2x2+5x
-0.1x2-0.4x
310x+12
6x-4
-15x3+6x2+11x
-2x+2
-3a-14b
7x-1
11a+16b-4c
13ab+2a+5b
10ab-15a+45b
-4a+28b+0.8
103a-52b+1415c
-33x-1
3a-15
132x-163
-198x+94
3a4+12
41a24+524
11a20+47b20
11a12-b12
84x3y4z6
3x2y
72x3
-m6n72
-250x4y2
-96x5y3
36x3y6
-25x10y63
-4y3x
-3x22
-2x2
-3x16
3x8y2
6ab
-125a
3200b
-q2r23
xy4
6x2y2