-12c+7
3xy+4x-3y
-0.3x
-53x2+13x
-15x-9
13x2-2x+2
-178x-25y+1
136a2-98a+263
-6x+9y
-5x+9y+4
-2x+6y+3
-3a+2b
-12a+8b-16
12x-10
13
-29x-70
-9x+11
-3415a-313b
3a4+12
31x6+176
11x6-136
11a12-b12
14a2b2c4
3x2y
-168a5b3
2x5y4z3
-72a3b4c5
-96x5y3
36x3y6
-25x10y63
-4y3x
4ab
8a3b2
-4m3n
3x8y2
3c320b4
m24n
81x42y
10x
a2bc25
-4p3r3