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

13.06.2025 03:58

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

Move the nub up to the top:

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What does it mean if I had a dream about my mom who passed 12 years ago waking up from her coma and asking for my dad? I have never had a dreams about her since she has been gone.

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(n - 1)(n + 1)

n^2 - 1

I committed the unpardonable sin. God immediately punished me so that I can no longer think like before and my brain is as if paralyzed and does not work. I've tried everything (confession, repentance, etc.) nothing helps. Any advice?

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

n^2 - n + n - 1

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Have you ever been physically attacked by a demon?

If you cut off the end of that rectangle, you make it smaller, 2 * 3 and a separate nub of size 1 * 2

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

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Why does Christianity push reconciliation after a partner cheats? Mine had a 7-year affair with someone half my age. He cheated and lied. He is not the same to me.

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

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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What is the worst emotional pain you ever felt as an adult?

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