Question

выполните умножение 3(4-m)(4+m) ; 2m(3a-5)(3a+5)

Answer 1

3(8-m"v kvadrate")=24-3m"v kvadrate;

Answer 2

3*(4-m)*(4+m)= (12-3m)*(4+m)=48+12m-12m-3m^2=-3m^2+48/
2m*(3a-5)*(3a+5)=(6am-10m)*(3a+5)=18a^2m+30am-30am-50m=18a^2-50m