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

Last Updated: 17.06.2025 00:05

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

xx

xxxx

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

Is it wise to SECRETLY expose a narcissist by telling others that he/she is a covert narcissist?

xxx x

(n - 1)(n + 1)

xxxx

I’m running away I live in Indiana what states near by are safe I’m 12 no comments?

xxx

xxx

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

What is the process of becoming an Evangelical preacher? Is attending seminary school necessary? How long does it typically take? Is it financially challenging?

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

xxx x

Move the nub up to the top:

Is it wrong of me to feel uncomfortable that my friend thinks my brother is hot?

n^2 - n + n - 1

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

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

How severely should I get punished? Please describe throughly. Today I got my result of my test nd I found out that I failed in 2 subjects, my parents are currently in abroad nd I lied to them about the fail but I feel guilty now.

n^2 - 1