-6y
11c2-17
0.7x2-0.4x+y
-124a2-12
-x+5
13x2-2x+2
16x+16
136a2-98a+263
7x-1
10x2-9x+5
6a+5b+7
-60x2+15x+120
25x2-252x+10
52x2+34y-43
-54x-8
3a-15
3x-14
-3415a-313b
3a4+12
-6x35-3835
9x35+71y35
23x6-76
-16a4b3
4abc25
-168a5b3
-x4y442
24x4
2a5b2c3
36x3y6
3a9b8c420
2m23n3
-6x2
-5x3y
-3x16
12x
3c320b4
-125a
-72qp
2m2
-c2ab
-4p3r3