Question

Plz help me only 5 mins

what expression is equivalent to ( n-1) (n^2 + n + )?
A. n^3 - 1
B. n^3 +1
C. n^3 + n^2 + n- 1
D. n^3 + 2n^2 + 2n -1​

Answer 1

A. n^3 -1

Explanation:

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

multiply ( n - 1 ) and ( n^2 + n + 1 )

you will get the answer