Respuesta :

naǫ
[tex]9a+12=3 \times 3a+3 \times 4=3(3a+4)[/tex]

The answer is 3(3a+4).
The answer is 3 ( 3a + 4 )

Because when you do the distributive property you have this:

3 ( 3a + 4 )

9a + 12.