-23c
8y2-6y
2.8a-1.4b
-18y2-56y
2ab+7a-10b
11x2-17xy-9y2+11
16x+215
10x2+78x+13
7x-1
-5x+9y+4
6a+5b+7
48a-36b
-12a+8b-16
-16x+15
-33x-1
a-1
3128a+8615b
-3415a-313b
11x3-13
-6x35-3835
11a20+47b20
11a12-b12
48a2bc
3x2y
-192m5n5
3a4b2c32
112m5n3
-p9q5r496
-189a9b3c5
3x7y8
3x
-2y2z3x
-9q2pr6
-4m3n
3x8y2
2ab23c
-649p3q2
-72qp
-b26a2
2pq3
-4p3r3