Сократите дробь a²-36/ab-6b+30-5a
[m]\frac{a^2-36}{ab-6b+30-5a} = \frac{(a-6)(a+6)}{b(a-6) - 5(a-6)} = \frac{(a-6)(a+6)}{(a-6)(b-5)} = \frac{a+6}{b-5}[/m]
