Respuesta :

Step-by-step explanation:

(4m³ +3m) + (-1) (11m³ - 2m² + 4m – 1)    Expand R side

4m^3 + 3m       - 11m^3 + 2m^2 -4m+1    Gather 'like' terms

4m^3 - 11m^3     + 2m^2    + 3m-4m   + 1    Simplify

-7m^3       + 2m^2     - m    + 1