Question

Решите плиз(ответ 2)

Answer 1

1)(a²-5a)/(a+1) *1/(a-5)=a(a-5)/(a+1) *1/(a-5)=a/(a+1)
2)a-a/(a+1)-(a²-2a-2)/(a+1)=(a²+a-a-a²+2a+2)/(a+1)=(2a+2)/(a+1)=
=2(a+1)/(a+1)=2