Сократите дробь \(\frac{2a - 3a^2}{3a^2 + 7a - 6}\) .

• \(\frac{- a}{a + 3}\)
• \(\frac{a}{a + 3}\)
• \(\frac{a(2 - 3a)}{(a + 3)(a - \frac{2}{3})}\)