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

13.06.2025 09:06

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.

(n - 1)(n + 1)

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What are some hard truths that MAGA needs to hear?

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n^2 - 1

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

Why are you bare-nakedly displaying your anti-Trump bias while ignoring the liberals' destruction of the US? I am now blocking your e-mails because of your biased articles.

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n^2 - n + n - 1

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

What are the core beliefs of liberalism and conservatism? Can you provide a list of defining characteristics for each side?

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

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Ok, so this is a question seeking an answer to clear up whatever gymnastics are in my head. I'm a moderately attractive guy, sincere heart, genuinely looking to love another, established. Why don't women that I'm attracted to, want me back?

Move the nub up to the top: