What are the first four terms of the sequence represented by the expression n(n - 1) - 5

Solution: 

Given expression: n(n - 1) - 5

Let us have a_n = n(n - 1) - 5

The first four terms of the sequence: a₁ , a₂ , a₃, a₄

Let us take n = 1, 2, 3, 4 to find the first four terms.

First Term: a₁ =1(1 - 1) - 5 = -5

Second term:a₂ = 2(2 - 1) - 5 = -3

Third Term:  a₃ = 3(3 - 1) - 5 = 1

Fourth Term:a₄ = 4(4 - 1) - 5 = 7

Thus the first four terms are:

-5, -3, 1, 7

What are the first four terms of the sequence represented by the expression n(n - 1) - 5

Summary: 

The first four terms of the sequence represented by the expression n(n - 1) - 5 are -5, -3, 1, 7