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

Last Updated: 27.06.2025 00:16

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

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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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How do individuals become targeted individuals? Is it solely due to experiencing stalking or harassment, or are there other factors involved?

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

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n^2 - n + n - 1

When trump, musk, Putin and vance are gone how difficult will it be to undo all the damage they’ve done?

n^2 - 1

(n - 1)(n + 1)

Move the nub up to the top:

How do you explain BYD selling more battery electric vehicles than Tesla in Europe for the first time in April?

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

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