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

15.06.2025 16:54

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

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n^2 - n + n - 1

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

Who are some of the best Korean Actresses?

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Move the nub up to the top:

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How does the narcissist react when he realizes you no longer care?

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

How can you maintain self-control?

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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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What was your biggest culture shock going to Europe?

(n - 1)(n + 1)

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n^2 - 1

How do you handle family members who ask for handouts?

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