-12c+7
2x2+5x
0.1x-1.2
1712x-1112
-2x2+3x+4
-2a+3b
920ab-310a-b
-1320a2+1715a
-2a-11b
3a-3c
5a+5b-c
-3a+2b
x-7
-10a-27b+60
10a-b
53x-54
-34x+4
13x+107
-22a5-35
-11x72+41y72-3172
11x6-136
11a12-b12
-16a4b3
s4t324
-168a5b3
-5a2b4c4
112m5n3
2a5b2c3
-189a9b3c5
-25x10y63
-4y3x
2pq23r2
-5x3y
-8y23x2
12x
2ab23c
-125a
-96m2n5
10x
-4x3
-4p3r3