-23c
9xy-30x-15y+1
-148a+445b
118x2+34x
4x+6
-2a+3b
-16x2-16x+56
-7144ab+221a+3b
-2a-11b
-x2+12x-2
2ab+15a-17b
35a-28b+112
-0.9a2-4.5a+3.6b
58x2-52y2
40x+3
2x-75
6a-2b
-239x-12
3x4+54
41a24+524
9x35+71y35
4
84x3y4z6
-6m3n4
-168a5b3
a5b6c4
-18ab4c3
2a5b2c3
36x3y6
3x7y8
2m23n3
-6a2
-5x3y
-8y23x2
-43a3
8n4m
3x47
81x42y
-7q2r29p
a2bc25
2xy2z