-22a+35
-5x2+2x-7
0.8a2+1.5a-b
-53x2+13x
-15x-9
2ab-2a+12b
x2+2x+35
103x+12
-2a+14
-x2+12x-2
6a+5b+7
-60x2+15x+120
-1.2a-3b+24c
-8x-9y
-5x-34
a-1
73x-20y
-145x-229
3x4+54
a6-b6
-68a15+10615
x-2
84x3y4z6
s4t324
-192m5n5
a5b6c4
112m5n3
-x7y8z948
20m17n11
a9b11c784
-4y3x
-2y2z3x
-8p2q7r83
9q8r2p
-10ab3
6ab
3x47
-96m2n5
-13b
-a23
-4p3r3