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

Last Updated: 19.06.2025 08:19

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

n^2 - n + n - 1

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(n - 1)(n + 1)

Had strong anxiety, heart palpitations, headaches and fear randomly over twin flame presence, 20 mins later he didnt acknowledge me saw a photo of a girl on the back of his phone faced up. Assume it was a new gf. Was this a warning of seperation?

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

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I'm a 27 year old male currently but I am going through going through gender dysphoria. Why do some transgender people (specifically transgender women since I see that the most) call themselves trannies or shemales? Aren't those offensive words?

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

How can I decorate my house creatively?

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

n^2 - 1

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

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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

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Why does my crush make me jealous about having a girlfriend?

Move the nub up to the top: