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

10.06.2025 00:39

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

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

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.

Why do I have an itch in my labia, white gooey and thick discharge which doesn't have a smell but my vagina does sometimes and both me and my partner do not have STDs, what is it?

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David Jolly, a Trump critic and former GOP congressman, to run for Florida governor as a Democrat - AP News

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n^2 - 1

(n - 1)(n + 1)

Mets’ need their all-time lost opportunity to be a Dodgers aberration - New York Post

n^2 - n + n - 1

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Who are some of the best Korean Actresses?

Move the nub up to the top:

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

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

Why do some people admire Latin American cultures but not want to be from or live in those countries?

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