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

Last Updated: 17.06.2025 05:38

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

(n - 1)(n + 1)

Move the nub up to the top:

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What are some mind-blowing facts about Michael Jackson?

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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Who has experienced what they called a happy accident (bestiality)?

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My boyfriend won’t tell me his past and it hurts me so I broke up with him what do I do?

n^2 - n + n - 1

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

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

How exactly do things get smuggled into prison? Does the sender hide it inside something else very well? Does someone put it in their butt? Do the prisoners make deals with the officers?

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

n^2 - 1

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Why do some young mothers trick a guy into believing that they're pregnant and it's their child when years later they find out that it's not even theirs should he still pay child support or not?

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