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

13.06.2025 01:24

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

(n - 1)(n + 1)

Move the nub up to the top:

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What would explain Trump blaming Ukraine for starting the war with Russia?

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

What is the reason behind some people referring to themselves as "nice guys" instead of simply being nice?

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

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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Why do men love boobs (irrespective of big or small)?

n^2 - 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

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

What is the sluttiest thing your wife has ever done?

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n^2 - n + n - 1

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What type of crossdresser are you?

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