-23c
-17a2-2ab+14b2
0.8a2+1.5a-b
-56x+23y+12
6x-2y+9
3y2-20y
920ab-310a-b
136a2-98a+263
-2a+14
11a+16b-4c
-2x+6y+3
-3a+2b
5x2-9x
-32a+2b-32
18x+38
53x-54
-3x-14
-32a+3b
x2+11y2
11x6-5y6
4a21-821
2x3-2y3
-16a4b3
4abc25
-56x5y7
3a4b2c32
12x3y3
-p9q5r496
36x3y6
a9b11c784
-4y3x
4ab
-8p2q7r83
9a2
95m4
2ab23c
-649p3q2
-72qp
-8x2y3z
a2bc25
2xy2z