-2x+3y-2
9a2-4b2+5
-0.3x
-43y2+1715y-112
-2x2+3x+4
3y2-20y
2x+12y+9
-18x3+542x2+116x
7x-1
-x2+12x-2
13a-5b-7c
-3a+2b
5x2-9x
58x2-52y2
11x+5
a-1
73x-20y
-32a+3b
3a4+12
-11x72+41y72-3172
9x35+71y35
x-2
14a2b2c4
20x3yz43
72x3
-5a2b4c4
-18ab4c3
-27m7n4
20m17n11
a9b11c784
-4y3x
4ab
8a3b2
9q8r2p
12x
3c320b4
-24y2x
3200b
-8x2y3z
103a2
2xy2z