Respuesta :

Answer:

6m^2 + 19m - 4

Step-by-step explanation:

First, distribute the negative to the second polynomial.

8m^2 + 12m - 5 - 2m^2 + 7m + 1

Combine like terms.

6m^2 + 19m - 4

zerotwo866

Answer:

19m-2m^2+60

Step-by-step explanation:

(8^2+12m-5)-1(2m^2-7m-1) (theres an invisible -1

64+12m-5+2m^2+7m+1 (combine the same terms)

19m-2m^2+60