Question 507564
2- (a-15)/(a+5)=(a^2-5)/(a+5)


2(a+5)-(a-15)=a^2-5


2a+10-a+15=a^2-5


a+25=a^2-5


0=a^2-5-a-25


0=a^2-a-30


0=(a-6)(a+5)


(a-6)(a+5) = 0


a-6 = 0 or a+5 = 0 


a = 6 or a = -5


Since a = -5 is not in the domain, the only solution is a = 6