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

Last Updated: 20.06.2025 14:55

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

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

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Do older women know what they want?

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n^2 - n + n - 1

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Why do I feel sleepy after massage?

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n^2 - 1

Move the nub up to the top:

My boss called me on a Saturday to let me know he that due to financial reasons, I was no longer needed effective immediatley. 3 days later, he sends me a text asking about work issues. How do I respond?

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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Is there a type of function where every point has exactly one tangent line passing through it? If yes, what is this type of function called?

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

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(n - 1)(n + 1)

Why did you put a guy’s dick in your mouth the first time?

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