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

11.06.2025 07:27

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

n^2 - n + n - 1

xx

Move the nub up to the top:

Athletics' Denzel Clarke leaps over wall to rob Angels' HR for incredible catch - ESPN

xxx

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

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

What does it mean when your husband comments and likes other women on social media? He has private IG and TikTok accounts that I have no access to. He has saved videos and pictures of women on his phone.

xxxx

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

JPMorgan's Jamie Dimon Says U.S. Should Stockpile Missiles, Not Bitcoin - CoinDesk

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

n^2 - 1

xxx x

What can I do when I'm ugly on both outside and inside? What do I do? Cut myself off from the world to make everyones lives better? I'm a monster. I hurt feelings, and I say what was said to me. I feel like I'm nothing but a burden. What do I do?

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

xxx

(n - 1)(n + 1)

Have you ever had your crush reject you, and then later you all dated and married?

xxxx