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

Last Updated: 21.06.2025 20:37

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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What would happen if the Soviet Union had simply annexed Manchuria after World War 2 or kept it independent as a puppet state allied them and separate from China as China was too weak too oppose it anyway?

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

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What are the steps to start an outbound calling center in India, and how do you get clients as a new business?

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

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Why do American conservatives say that America is a constitutional republic and not a democracy? Would it not make sense to call America a constitutional republican democracy?

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

(n - 1)(n + 1)

Which one is better to guys, boobs or butt?

n^2 - n + n - 1

n^2 - 1

Move the nub up to the top:

Are fanservice-y characters (i.e. Lara Croft, Tifa Lockhart) immediately bad?

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