Respuesta :

bffuser11

Answer:

-4m + 38

Step-by-step explanation:

Multiply out 4(2m+5) first

8m + 20

then multiply out 6(2m+3)

12m + 18

now subract them

8m + 20 - 12m + 18

rearrange the equation

8m - 12m + 20 +18

-4m + 38