Question

-y+6ay^2-y+a
-
--------------
(-6y^4-2ay^2+y)

Answer 1

what are you trying to do? subtract? divide?

Answer 2

\[-y+6ay^2-y+a=6ay^2-2y+a\] for starters

Answer 3

\[6ay^2-2y+a - (-6y^4-2ay^2+y) \]
distribute the minus sign in the second parentheses to get
\[6ay^2-2y+a+6y^4+2ay^2-y \]
so far so good?