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

Last Updated: 19.06.2025 13:10

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

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

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(n - 1)(n + 1)

Move the nub up to the top:

n^2 - 1

I’m running away I live in Indiana what states near by are safe I’m 12 no comments?

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How will Israelis respond to someone claiming that anti-Zionism is not anti-Semitism, in the same way as anti-feminism not being misogyny and opposing same-sex marriage not being homophobia?

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

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

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

Why won't Canada build their own fighter jet?

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n^2 - n + n - 1

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

Why do people keep complaining about how some people copy and paste the question before answering it? To me, it's very disturbing and makes me want to block and mute them as annoying whiners.

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