Задание
Выполните действия: \((a-\frac{3a}{a+3})\cdot\frac{a^2-9}{5a^2}.\)
- \(\dfrac{a-3}{5}\)
- \(\dfrac{a^2}{a+3}\)
- \(\dfrac{a^3-3}{5a}\)
- \(\dfrac{-2(a-3)}{5a}\)
- \(\dfrac{2(a-3)}{5a}\)