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

14.06.2025 00:05

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

Move the nub up to the top:

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(n - 1)(n + 1)

How do I get off Paxil?

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

n^2 - n + n - 1

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Why did Donald Trump and Melania Trump sleep in different rooms?

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

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

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Atheists who said that reading the Bible made them an atheist, how? Literally there are millions of people who read the Bible daily and still believe in God. So why say that? I mean unless you want to sound smart & edgy

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n^2 - 1

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Have you ever had sex with sisters?

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

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

Do Republicans realize that the power of the people is invested in 'representative government'? If so, why did they elect a pathological liar?

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