7x-6y
6x2-2x+9
43x-178y
12a2+524a-13
2ab+7a-10b
11x2-17xy-9y2+11
76x+47y-2
10x2+78x+13
-2a+14
-x2+12x-2
-2x+6y+3
35a-28b+112
-12a+8b-16
165ab-3a+3518b
11x+5
a+6
-2a-6310b
-198x+94
x2+11y2
31x6+176
11a20+47b20
x-2
48a2bc
4abc25
-168a5b3
-5a2b4c4
112m5n3
-96x5y3
2a4b4c47
-9m5n47
2m23n3
4ab
-8p2q7r83
-4m3n
3x8y2
2ab23c
-125a
-96m2n5
-13b
-c2ab
-4p3r3