Respuesta :
[tex](6m^5+3-m^3-4m)-(-m^5+2m^3-4m+6)\\\\=6m^5+3-m^3-4m+m^5-2m^3+4m-6\\\\=(6m^5+m^5)+(-m^3-2m^3)+(-4m+4m)+(3-6)\\\\=7m^5-3m^3-3[/tex]
[tex](6m^5+3-m^3-4m)-(-m^5+2m^3-4m+6)\\\\=6m^5+3-m^3-4m+m^5-2m^3+4m-6\\\\=(6m^5+m^5)+(-m^3-2m^3)+(-4m+4m)+(3-6)\\\\=7m^5-3m^3-3[/tex]