Question

(n+1)^2+(n-1)^2-(n+2)^3 Упростить многочлен

Answer 1

Ответ:

-n^3-4n^2-8n-6

Объяснение:

(n^2+n+n+1)+(n^2-n-n+1)-(n+2)(n^2+2n+2n+4)=

=2n^2+2-(n^3+4n^2+4n+2n^2+8n+8)=

=-n^3-4n^2-8n-6