Answer:
The answer is (2a + 5)(a + 3).
Step-by-step explanation:
The steps are :
2a² + 11a + 15 = 0
2a² + 6a + 5a + 15 = 0
2a(a + 3) + 5(a + 3) = 0
(2a + 5)(a + 3) = 0
