Respuesta :

Answer:

n=27

Step-by-step explanation:

x=3x(-3)^2

x=3x3^2

x=3^3

x=27

I hope that helped I'm sorry if It didn't!!

Answer:

Im pretty sure its 27

Step-by-step explanation:

simplified [tex]3(4-7)^{2}[/tex]

n=27

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