Respuesta :

16m³ + 4n

remove the bracket and collect like terms

9m³ + 4n +7m³

= (9m³ + 7m³ ) + 4n = 16m³ + 4n


gmany

Step-by-step explanation:

[tex](9m^3+4n)+7m^3\qquad\text{combine like terms}\\\\=(9m^3+7m^3)+4n\\\\=16m^3+4n[/tex]