Logo

Why is (n-1)(n+1)=n^2-1?

10.06.2025 02:10

Why is (n-1)(n+1)=n^2-1?

xx

xxxx

xxx

Have anyone had an relationship of any kind with a spirit or demon, such as a succubus? If so, how was it?

xxxx

The basic answer is that you cross-multiply the values in each factor:

n^2 - 1

What are your thoughts on RM's new album "Right Place, Wrong Person"?

(n - 1)(n + 1)

xxx

xxx x

Why is it that women are stronger than men nowadays?

xxx x

So, that’s a rectangle with sides 2 and 4.

Move the nub up to the top:

What does it mean to dream about demons possessing people, and what can be done about this dream that keeps occurring for years?

n^2 - n + n - 1

And you are left with almost a square. One less than the square of side n.

The more direct answer is to look at a rectangle with sides of n + 1 and n - 1, let’s go with n = 2

What is your opinion on the band Nickelback? Why do they receive criticism from some people?

If you cut off the end of that rectangle, you make it smaller, 2 * 3 and a separate nub of size 1 * 2