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

Last Updated: 20.06.2025 03:32

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

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

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What are "demonic attacks" and how can one tell when they're happening to them, or someone else? How would one go about dealing with it?

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^2 - n + n - 1

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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

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

What are some things that normal people do that religious people call sins?

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(n - 1)(n + 1)

Is it okay for a wife who comes home from a date to tell her husband what she did?

Move the nub up to the top:

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

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Who believes that Speaker Mike Johnson will certify ‘a free and fair and legal election'? Who believes that Speaker Mike Johnson will NOT certify ‘a free and fair and legal election'? Why?

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