Respuesta :

jasminemolina173

Answer:

4m3−14m2+7m+4

Step-by-step explanation:

so you do 5m3+7m−7m2+4−7m2−m3

=5m3+7m+−7m2+4+−7m2+−m3

Combine Like Terms:

=5m3+7m+−7m2+4+−7m2+−m3

=(5m3+−m3)+(−7m2+−7m2)+(7m)+(4)

=4m3+−14m2+7m+4

Hope this helps