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

15.06.2025 01:39

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

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

What can be done to combat group stalking and harassment by an organized gang or society, particularly when they use universal sound weapons?

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 has your life changed for the past 10 years? Can you share your #10year challenge? Is your life better, worse, or still hopeful?

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n^2 - 1

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What caused North Korea to go poor when at first it was rich?

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(n - 1)(n + 1)

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

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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

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

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Why in my 60s do I have a strong desire to suck cock and swallow?

Move the nub up to the top: