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

13.06.2025 04:39

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

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 have intercourse with a girl who can remember you for a long time?

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.

n^2 - n + n - 1

What advice would you give to a father of a teenage daughter on how to protect her from boys, dating, and social media? How should fathers discuss these topics with their daughters?

Move the nub up to the top:

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

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

If you believe in God, do you think God can save you from cancer?

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n^2 - 1

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It is common sense that Joe Biden is ruining America and is unfit to be president, but why are the liberals still supporting him when Trump is obviously a much better fit for office?

(n - 1)(n + 1)

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This is a real question: Why do a lot of men/boys hate (yes, hate) women that voice their criteria in choosing a partner? Even when the criteria is sane and responsible. Besides it being, sadly, an effective mating strategy, why does it exist?

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