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

13.06.2025 13:41

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

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How did you cope when someone you love, dealing with hyper-independence and trauma, felt they needed space to heal alone? Were you able to support them without overstepping, and did you eventually reconnect? How did that journey unfold?

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

n^2 - n + n - 1

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

Why do the majority of feminists hate men (not all feminists)?

Move the nub up to the top:

n^2 - 1

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Where can Ukrainians go if they cannot have shelter and heating this winter?

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

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

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

What would it take for you to consider yourself a "Swiftie" like Flavor Flav?

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(n - 1)(n + 1)

Why do some people feel down in summer, specifically in July and August? What could be the reasons behind this feeling of sadness during those months only?

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