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

13.06.2025 03:02

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

n^2 - 1

n^2 - n + n - 1

(n - 1)(n + 1)

How can someone determine if their partner is in another romantic relationship, particularly if they do not live together?

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Move the nub up to the top:

Are today’s baseball pitchers faster than a few years ago, or is it that radar guns have improved and get the pitch speed as it is released rather than as it reaches the plate?

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

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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You found a love potion, and your friend tried to use it on an attractive popular girl, but he accidentally dropped it on the neighbors dog. Now the dog won't stop following him. How would you help him?

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

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Cosmic rings reveal new planet being born | Space photo of the day for June 11, 2025 - Space

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

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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How do you get started in bestiality with a dog as a male?

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