@deprecated_ii @warmbeverageenjoyer @LukeAlmighty @MCMLXVIIOTG @Feinmuehrer @Suzu indeed, everyone's taken university and only you have taken retard pills that keep you from seeing that the notation is the issue.
2/(x+1)(y-1)
is this 2 / (xy - x + y -1) or is it (2/(x+1))(y-1)?
the answer is: this isn't how math is done.