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

Last Updated: 16.06.2025 03:58

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

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

What happens if a parent refuses to let their child be transgender? What happens if the parent tries their hardest not to allow their child to be trans, like flushing every bottle of their trans child's HRT down the toilet?

Move the nub up to the top:

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(n - 1)(n + 1)

In Italy, how do people greet each other when they meet for the first time (e.g., on the street)? What's a good response to that greeting if you're not from Italy or don't speak Italian fluently yet?

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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

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

Should you have a threesome with your best friend and your significant other if the significant other requests it?

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n^2 - 1

How do you help patients stop hearing voices?

n^2 - n + n - 1

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

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

I’m 17 and looking for a girl. What do I do?

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