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

12.06.2025 04:12

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

n^2 - 1

(n - 1)(n + 1)

n^2 - n + n - 1

What is the reason behind the Russian government's negative view on foreign travel?

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

xxxx

Could the guys here tell me how their first experience with a trans woman was? Who was the lady to you? ( I mean girlfriend, one night stand, etc.) I just had my first experience recently and I would like to know about others?

xxxx

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

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

My stepdaughter’s mom tells her I’m not a real dance teacher, but my stepdaughter has seen me in action. Why does she still question my abilities?

xxx

xxx

Move the nub up to the top:

2000 times the volume of Earth! These scientists made a discovery, this planet in our solar system was twice as large 4.5 billion years ago. - Farmingdale Observer

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

xx

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

Is Jp-shares.com a good website for crypto trading?

xxx x