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

11.06.2025 00:03

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

xxx x

xx

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

How can I be okay with being ugly? What is the bright side?

xxx

(n - 1)(n + 1)

n^2 - 1

Why do I want to be caught sucking dick by my wife?

n^2 - n + n - 1

xxxx

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

Why cant I feel anything in my sleep? I cannot even feel myself moving, breathing, and swallowing saliva! I cannot even hear anything, not even my alarm! Some people that I've been with says that I'm moving a lot in my sleep, how can I stop it?

xxx

Move the nub up to the top:

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

Why are most girls not open to the idea of anal sex?

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

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

xxxx

If I only have a fire extinguisher to defend myself against some threat from people, should I spray them for max damage or just hit them with the fire extinguishers?

xxx x