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

Last Updated: 02.07.2025 01:44

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

xx

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

xxx

‘Harry Potter’ Star Tom Felton on Playing Draco Malfoy on Broadway and Why J.K. Rowling’s Controversy Doesn’t Impact His View of the Franchise: ‘I’ve Not Seen Anything Bring the World Together More Than Potter’ - Variety

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

Move the nub up to the top:

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

What a list actors/ actresses are notorious for being jerks in real life?

(n - 1)(n + 1)

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

Gooner game of the year Stellar Blade's mods are 41% smut, ensuring gamers will never see the light of heaven - PC Gamer

xxx x

n^2 - 1

xxx x

Can you share a lesson that you learned later in life and how it has impacted your current lifestyle, mentality, or attitude?

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

xxxx

n^2 - n + n - 1

Pharmacy Mixes Up 9-Year-Old’s ADHD Medicine, Gives Him Opioid More Powerful Than Morphine - AOL.com

xxxx