-7x+22
-17a2-2ab+14b2
-4.2a2+4.8a+1.1
-53x2+13x
-15x-9
3y2-20y
2x+12y+9
-1320a2+1715a
-6x+9y
11a+16b-4c
2ab+15a-17b
35a-28b+112
-4a+28b+0.8
-16x+15
18x+38
4a-11b+31
132x-163
-3415a-313b
7m3+83
-11x72+41y72-3172
11x6-136
4
14a2b2c4
4abc25
-56x5y7
a5b6c4
-18ab4c3
-p9q5r496
32x6y7
3a9b8c420
-4y3x
2pq23r2
-9q2pr6
-3x16
95m4
12y3x3
-125a
-72qp
10x
xy4
6x2y2