Question

Решите пожалуйста 2B.49(a)

Answer 1

$frac{m^5+m^4+m^3}{m^3+m^2}cdot frac{m^5+m^3}{m^4+m^3+m^2} =frac{m^3(m^2+m+1)}{m^2(m+1)}cdot frac{m^3(m^2+1)}{m^2(m^2+m+1)}=\\=frac{m}{m+1}cdot frac{m(m^2+1)}{1}=frac{m^2(m^2+1)}{m+1}$