(3a2-3)/(5a-5) сократить пжлста!))

Question

(3a2-3)/(5a-5) сократить пжлста!))

Answer 1

(3a2-3)/(5a-5)=3(a2-1)/(5(a-1))= 3((a-1)(a+1))/(5(a-1)=3(a+1)/5