Question

спростіть (m-7)/(pm-m^2)-(7-p)/(pm-p^2)

Answer 1

(m-7)/(m(p-m)) - (7-m)/(p(m-p))=
(m-7)/(m(p-m)) - (m-7)/(p(p-m))=
((m-7)*p-(m-7)*m)/(p*m*(p-m))=
(m-7)(p-m)/(p*m*(p-m))=
(m-7)/(p*m)