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

Last Updated: 18.06.2025 02:49

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

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n^2 - 1

Why do narcissists avoid talking about the real issues?

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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Should Pete Rose's record as the all-time hits leader be recognized and celebrated?

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

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

n^2 - n + n - 1

How can we understand the mind of a Trump supporter?

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

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How do I convince flat earthers that the earth is round?

(n - 1)(n + 1)

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Move the nub up to the top:

How would you feel if your girlfriend had dick pics on her phone?

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