Question

Выражение: 3p^4/5q^8*15q^2(p-5)^2/21p^2/3p^2(5-p)/7q^6

Answer 1

3p^4/5q^8*15q^2 (p-5)^2/21p^2/3p^2 (5-p)/7q^6 =3p^2(p-5)^2/7q^6*7q^6/3p^2(5-p)=5-p