Question

33m2 - 9m +8 -12m2 -25m + 40- =​

Answer 1

Combinar términos comunes:

=33m^2+−9m+8+−12m^2+−25m+40

=(33m^2+−12m^2)+(−9m+−25m)+(8+40)

=21m^2+−34m+48

solución:

=21m^2−34m+48