Respuesta :

Answer:

Step-by-step explanation:

-3m*n+4m-3 when m=2:n=-2

-3(2)*(-2)+4(2)-3=

12+5=17

Answer:

The answer is 29

Step-by-step explanation:

What is the value of Negative 3 m n + 4 m minus 3 when m = 2 and n = negative 4?

First you substitute the Variables

Then you do PEMDAS

Then you add and boom

            !!!!29!!!!