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

12.06.2025 06:05

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

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Move the nub up to the top:

n^2 - 1

The influencer whose tweet led to a ban on disposable vapes - BBC

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Why are so many Communist Chinese on Quora despite it being illegal for Chinese citizens to use Quora?

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

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

n^2 - n + n - 1

How does Bollywood influence Indian culture?

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

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

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Where are the big girls? This is the first time I've seen a bigger lady boy and that's awesome .. you should post more of them here, nothing wrong with a thick black lady

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

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(n - 1)(n + 1)

What was your first trans experience like?

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