Question

Realiza los ejercicios suma y resta de monomios
7m+12n+21m+20n+32n=​

Answer 1

Respuesta:

7m+21m+12n+20n+32n

28m+64n

Answer 2

Respuesta:

7m+12n+21m+20n+32n

=12n+20n+32n+7m+21m=12n+20n+32n+7m+21m

=12n+20n+32n+28m=12n+20n+32n+28m

=64n+28m=64n+28m