Question

Кто знает, помогите
35 баллов отдаю

Answer 1

(m-7)/(pm -m²) - (7-p)/(pm -p²) =(m-7)/(pm -m²) - (p-7)/(p² -pm) =
(m-7)/(m(p -m) - (p-7))/(p(p-m) = ( p(m-7) -m(p-7) ) /mp(p-m) =(pm -7p -mp+7m)/mp(p-m) =7(m-p)/mp(p-m) = -7/mp.