Respuesta :

dspader

Answer:

-8m+10n

Step-by-step explanation:

5m+3(2n-7m)+4(n+2m)

Simplify the parenthesis.

5m+6n-21m+4n+8m

Reorder so each like term are by each other.

5m+8m-21m+6n+4n

Combine those like terms.

13m-21m+10n

-8m+10n

-hope it helps

Answer:

-8m+10n

Step-by-step explanation:

first do the parenesis 3 x 2n = 6n 3 x 7m= 21m

then do 4 x n =4n 4x 2m=8m

5m+6n-21m+4n+8m