Respuesta :

Answer:

4(m+3+5m)=

4(6m+3)

factor out the three

4x3(2m+1)

12(2m+1)

Step-by-step explanation:

4(m+3+5m)=

4(6m+3)

factor out the three

4x3(2m+1)

12(2m+1)