x-4y+2
2x2+5x
1.5a-0.9
53x2-2320x+19
7x-8
-3x2+9x
x2+2x+35
-18x3+542x2+116x
-6x+9y
-5x+9y+4
2ab+15a-17b
10ab-15a+45b
x-7
12x-10
-5x+3
-10x2-38
2a-3b
-239x-12
3x4+54
-6x35-3835
11a20+47b20
11a12-b12
48a2bc
4abc25
-56x5y7
-5a2b4c4
-72a3b4c5
200x5
36x3y6
-9m5n47
3x
2pq23r2
9ab
-4m3n
12x
4y3x2z
b32ac2
c29a4b4
-a2b64c3
-5m4n28
6x2y2