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

15.06.2025 00:14

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

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(n - 1)(n + 1)

If my boyfriend watches porn, does it mean he doesn’t think I’m good enough? If I am good enough, why does he still watch? Am I not beautiful enough?

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

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

n^2 - 1

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Move the nub up to the top:

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

If English makes 3 additional gender terms to accommodate for XXX, XXY, and XYY people, what would be the most realistic terms for those genders?

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n^2 - n + n - 1

If you could instantly cancel one social norm, what would it be?

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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Is it better for 2nd generation Western Muslims to marry someone from their parents' country or a western Muslim who was born and raised in the West?

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