Respuesta :

Answer:

i would belive its 12 :D

Step-by-step explanation:

Answer:

m³ + 3m + 2n + 6

Step-by-step explanation:

Given

(m³ + 4n) + (3m - 2n + 6) ← express without parenthesis

= m³ + 4n + 3m - 2n + 6 ← collect like terms

= m³ + 3m + 2n + 6