-7y-5
-8a2+2ab-2b2
-3512c
-18y2-56y
7x-8
11x2-17xy-9y2+11
2x+12y+9
-7144ab+221a+3b
-2a-11b
11a+2b-8
2ab+15a-17b
30x2-35x
5x2-9x
-32a+2b-32
11x-24
a-1
-34x+4
-18x+4
7m3+83
31x6+176
4a21-821
x-2
-35x4y5
s4t324
96x2y2z2
2x5y4z3
-72a3b4c5
-x7y8z948
2a4b4c47
-9m5n47
3a2
2pq23r2
-9q2pr6
-4m3n
3x8y2
12y3x3
b32ac2
-96m2n5
-b26a2
a2bc25
6x2y2