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

Last Updated: 17.06.2025 11:48

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

(n - 1)(n + 1)

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

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How common is it for siblings to fight over their parents' inheritance money? What is the best way to handle this type of situation?

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

Why are white women so hard to date?

n^2 - n + n - 1

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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Did you ever receive genuine remarks from a medium regarding your deceased relative with information that the medium could never normally know?

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

What are some effective ways to cope with loss and grief?

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n^2 - 1

Move the nub up to the top:

What should you do if a police officer comes to your house and asks for someone who doesn't live there anymore?

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