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

Last Updated: 21.06.2025 02:30

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

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I committed the unpardonable sin. God immediately punished me so that I can no longer think like before and my brain is as if paralyzed and does not work. I've tried everything (confession, repentance, etc.) nothing helps. Any advice?

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

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The more direct answer is to look at a rectangle with sides of n + 1 and n - 1, let’s go with n = 2

Why do men like BBW? What is the attraction?

n^2 - n + n - 1

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

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Is it appropriate for parents to discipline their child in public if the child is being rude, disrespectful, and unruly towards them? Why or why not?

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

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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What is the recommended approach for creating a film or TV script? Should the script be written first or should the story be developed first? Why?

(n - 1)(n + 1)

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Move the nub up to the top:

Why is Prince Harry being fired by BetterUp CEO Alexi Robichaux, and what role did Marc Benioff’s decision to pull sponsorship play in this?

n^2 - 1