-7x+22
2x2+5x
0.8a2+1.5a-b
-56x+23y+12
6x-2y+9
11x2-17xy-9y2+11
16x+16
136a2-98a+263
7x-1
10x2-9x+5
6a+5b+7
48a-36b
-1.2a-3b+24c
-8x-9y
-5x-34
a+6
-712a+4124b
-6716a+49b
7m3+83
11x6-5y6
4a21-821
x-2
-16a4b3
20x3yz43
-192m5n5
-m6n72
112m5n3
-p9q5r496
2a4b4c47
3a9b8c420
3x
-3x22
-9q2pr6
-4m3n
12x
3c320b4
-24y2x
-96m2n5
-q2r23
-5p3q22
-4p3r3