Question

i need help !!!!!!!!!

Answer 1

(y-5)/(y-3)*(y^2-9)/(y^2-4y-5)

Factor the second term to get 

(y-5)/(y+3) * (y+3)(y-3)/[(y-5)(y+1)] 

cancel the y + 3 and the y - 5 to get 

(y-3)/(y+1), so choice A.