Question

Упростите выражение: (n^-4/4m^-5)^-2•6n^6m^2

Answer 1

(2m^4+5m^3 n-3m^2 n^2-mn^3)+(3m^4-8m^3 n^2- 6mn^3)=5m^4-11m^3n^2-7mn^3+5mn^3