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

Last Updated: 16.06.2025 02:18

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

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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

(n - 1)(n + 1)

How should one handle a situation where they suspect their partner of cheating, but their partner denies it and claims it is all in their head?

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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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Why isn't bestiality illegal in most states? If children can't consent, then animals DEFINITELY can't consent. Why is being a pedophile a crime but zoophilia is not?

n^2 - 1

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

How would you define love?

Move the nub up to the top:

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

If the Red Pill is supposed to be so bad, why are so many young men buying into it? What about Red Pill makes it appealing to them?

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

Why cant I sleep even tho I am sleepy? I am not anxious or worried but my body just doesn't want to. I've been awake for almost 2 days and feel sleepy but I cant sleep. My doctor said its anxiety related but its not. Is this normal?

n^2 - n + n - 1