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

Last Updated: 18.06.2025 04:40

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

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

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

Move the nub up to the top:

What do you think about wearing sheer pantyhose?

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

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n^2 - n + n - 1

Islam is definitely a very anti-LGBTQ religion, so why don't liberals ever stage pro-LGBTQ demonstrations at mosques or at the consulates/embassies of Muslim countries?

n^2 - 1

(n - 1)(n + 1)

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Im a 14 year old girl who doesnt want to wear a hijab but my parents force me to wear one. It makes me dislike it more. Im not ready for one no matter what people say and they get really mad at me. I have bad grades and no motivation. What do I do?

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

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Is it common for female doctors to examine male patients without another nurse present? Is there a difference in protocol for nurses and physician assistants?

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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

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Researchers claim spoof-proof random number generator breakthrough - theregister.com

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