Logo

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

13.06.2025 02:28

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

(n - 1)(n + 1)

xxx x

xxx

Incomprehensible: Kayla Harrison details barbaric UFC 316 weight cut as haunting sauna photos emerge - ‘Not good’ - MMAmania.com

n^2 - 1

xx

xxxx

Have you ever had sex with your mother-in-law? If so, how was it and did your wife ever find out?

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.

n^2 - n + n - 1

Experts Say Doing This 1 Thing Can Lower Your Risk Of Colon Cancer — And It’s Easier Than You Think - HuffPost

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

xxx

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

Why did the American's mulberry harbor not hold up after D-Day?

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

xxxx

xxx x

Should any books be banned from school libraries? Why is it important for students to read certain books in school?

Move the nub up to the top: