Question

выполните действия 3 n²(3n+1)+(-5n²+3)*2n-6(n+5n²)

Answer 1

3n^2(3n+1)+(-5n^2+3)*2n-6(n+5n^2)= 9n^3+3n^2-10n^3+6n-6n-30n^2= -n^3 -27n^2