Respuesta :

[tex][Hello,BrainlyUser][/tex]

Answer:

[tex]3m^2-10m[/tex]

Step-by-step explanation:

Let's simplify step-by-step.

[tex]-7m-m^2+4m^2-3m[/tex]

Combine Like Terms:

[tex]=-7m+-m^2+4m^2+-3m[/tex]

[tex]=(-m^2+4m^2)+(-7m+-3m)[/tex]

[tex]=3m^2+-10m[/tex]

[tex][CloudyBreeze][/tex]

Esther

Answer:

[tex]-10m+3m^2[/tex]

Step-by-step explanation:

[tex]-7m - m^2 + 4m^2 - 3m[/tex]

[tex]-7m^1 - 1m^2 + 4m^2 - 3m^1[/tex]

[tex]-7m^1-3m^1=-10m[/tex]

[tex]-1m^2+4m^2=3m^2[/tex]

[tex]-10m+3m^2[/tex]

Hope this helps!