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

Last Updated: 17.06.2025 06:17

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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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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n^2 - 1

Why do some women alter their faces by so-called cosmetic surgeries (on their eyes, cheeks, lips, chin, jaw) that making them look like Donald Duck or puffy aliens, while for most men these unnatural facial changes are ridiculous or even disgusting?

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 would you feel if your friend confided in you that she is cheating on her husband, knowing that he loves her deeply? What emotional and ethical considerations would you grapple with in response to her revelation?

(n - 1)(n + 1)

n^2 - n + n - 1

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

Move the nub up to the top:

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

Shouldn’t there be a short porn platform like TikTok?

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