Respuesta :

Were you trying to say n^2+7n+12? If so...

Answer: (n+4)(n+3)

Step by Step:
n^2+7n+12
n^2+4n+3n+12
n(n+4)+3(n+3)
(n+4)(n+3)

If not and you were trying to simplify... n2+7n+12
Answer: 9n+12