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

Last Updated: 17.06.2025 06:43

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

n^2 - 1

(n - 1)(n + 1)

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George, Charlotte ,and Louis Are the Royal Family’s Salvation - The Daily Beast

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Can cheating be a result of not truly loving or caring for someone, or is it sometimes just a spur of the moment decision?

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

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n^2 - n + n - 1

When did bestiality first occur to you and how did it happen the first time? Was it a deliberate decision or it just happened and you allowed it?

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

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Move the nub up to the top:

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

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

Do you think all these charges that have been brought against Trump are just a coincidence? If he was such a big threat why did they wait 3 years to bring these charges? Or is this all just election interference?

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