Question

va rog!! urgent!!!

desfaceti parantezele:


(n-3)(n-2)(n-1)n

Answer 1

Cred ca le grupezi cate doua adica (n-3)(n-2) si (n-1)n si vine asa (n^2-2n-3n+6)(n^2-n)= n^4-n^3-2n^3-3n^3+3n^2+6n^2-6n=n^4-5n^3+11n-6n^2