Question

Помогите упростить выражение

Answer 1

( ((y+1)(y+1)-y(y-1)) : ((y-1)(y+1)) ) : ((3y+1):(y^2+y))
((y^2+y+y+1-y^2+y):(y^2-y+y-1)) * ((y^2+y):(3y+1))
((3y+1):(y^2-1)) * ((y^2+y):(3y+1))
(y^2+y):(y^2-1)