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

10.06.2025 01:44

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

Move the nub up to the top:

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

n^2 - n + n - 1

Why do people hate fat people so much, even people who aren't exactly supermodels themselves? It seems like such a deep, passionate hatred, like they're offended by fat people just existing. Fat people didn't do anything to them, so why hate them?

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

xxxx

Why do so many men on the internet try to compete with women, or try to "humble" and bash them? There's so many videos across my tiktok and YouTube of men claiming how they're wanting to get back at women and put them in thier place.

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

n^2 - 1

xxx x

How would you respond to Rep. Nancy Mace's claim that the GOP platform is more in line with what the American people want compared to the left?

xxx

xxxx

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

Can a twin flame runner be happy in a karmic relationship?

(n - 1)(n + 1)

xx

xxx

We've Finally Seen The Skyscraper Tsunami That Shook Earth For 9 Days - ScienceAlert

xxx x