Logo

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

11.06.2025 23:54

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

(n - 1)(n + 1)

xxx x

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

Real TikTokers are pretending to be Veo 3 AI creations for fun, attention - Ars Technica

xxx x

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

n^2 - n + n - 1

Bethenny Frankel Reveals Her Teenage Daughter Bryn's Reaction to Her SI Swimsuit Look - People.com

xxx

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

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

Largest Horned Dinosaur Ever Found Looks Like It Walked Off a Marvel Set - Indian Defence Review

xxxx

xx

n^2 - 1

Why do some people tell the girl I like that I don’t like her when I do like her?

Move the nub up to the top:

xxxx

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

Ok, so this is a question seeking an answer to clear up whatever gymnastics are in my head. I'm a moderately attractive guy, sincere heart, genuinely looking to love another, established. Why don't women that I'm attracted to, want me back?

xxx