Question

помогите плз даю 29 балов

Answer 1

$\frac{a}{x+y}= \frac{a}{x+y}*x^2+xy =\frac{a}{x+y}*x(x+y)=ax$

$\frac{8}{p+m} =\frac{8}{p+m}*p^2+2pm+m^2= \frac{8}{p+m}*(p+m)^2=8(p+m)$