plss answer it I need it badly tysmm

Answer:
Step-by-step explanation:
so
lets factor the numerator hence
(y-2)(y+1) is same as y^2-y-2 so it will cancel the (y+1)
so (y-2)10y= 10y^2-20y/5y we will just simplify
2y-4 is the answer.
since 10/5-2 and -20y/5y is 4