Logo

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

08.06.2025 01:04

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

Move the nub up to the top:

xxx

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

Why are American university students fine with sharing a room?

xxx

xx

xxxx

Why do I want to suck cock, after smoking methamphetamine?

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

xxxx

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

How did you get to be a leftist?

n^2 - 1

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

n^2 - n + n - 1

How do you handle your mother-in-law after you heard her talking badly about you in the next room?

xxx x

(n - 1)(n + 1)

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

How is TikTok able to censor porn?

xxx x