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

11.06.2025 00:12

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

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

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Why are Republicans so brainwashed and oblivious to the fact that a lot of the price increases going on right now is due to corporate greed, not inflation?

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(n - 1)(n + 1)

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What do you think about the NFA full auto band? Weapons built before 1986 can be transferred and registered? But we can't have an 87? But older weapons tend to be far more powerful. I think we should drop it. Input?

n^2 - 1

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

Move the nub up to the top:

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My landlord just sold the house I’m renting from her. She included all fixtures, that I bought and installed. Does she have this right?

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

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

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

What's it like to have an IQ of 140 to 170? Do people notice you're different?

n^2 - n + n - 1