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

11.06.2025 19:24

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

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

Move the nub up to the top:

What is price of the "liberal celebrities" e.g. Bill Maher, Seth Meyers, Jon Stewart, Trevor Noah, Jimmy Kimmel, Desi Lydic etc. to join the great MAGA movement like Stephen Colbert who wanted to European ambassadorship to turn back on "the Left"?

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

Why does my intimate area “sweat” and smell so much? I almost have to have a shower everyday. How do I get rid of this?

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

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

Trump says Xi agreed to restart flow of crucial minerals, but analysts say China won’t give up its ‘rare earth card’ - CNN

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

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Bitcoin Price Rises. This Could Be the Next Big Crypto IPO After Success of Circle Stock. - Barron's

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n^2 - 1

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'JC, Take the Wheel!' Kevin Smith Looks Back on His Hilariously Heretical 'Dogma' 25 Years Later - Rolling Stone

(n - 1)(n + 1)