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

16.06.2025 03:14

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

xx

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

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

How will the article end in Part III of Gleissner's hit piece?

xxx

Move the nub up to the top:

xxx x

Why can't NASA just bite the bullet and launch a plainly simple mission, audited by flat earther peers start to finish that definitively proves to even the smallest minds that the earth is an oblong spheroid, and not flat?

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

xxxx

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

What do you think is the most powerful line in the song "Non, Je Ne Regrette Rien" by Édith Piaf?

xxxx

n^2 - n + n - 1

n^2 - 1

The Democrats’ candidate, Kamala, is a total loser, while our candidate, Trump, is a legendary hero and a living god. Are you ready to lose BIG Democrats?

xxx x

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

What started the whole idea of femboys? What is the whole point of a femboy? Did a boy or a man just randomly start dressing or acting feminine or something?

(n - 1)(n + 1)