15x^4 : (–3x) =
12 bxy / -2 bxy =
15 ay /3a =
16x3 : 4x=
32x^6 : 4x =
( – 18x^4 ) : (6x^3) =
8 a / 2 a =
-6
-3x
4x2
8 x^5
-5 x^3
5 y
4
