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

Last Updated: 20.06.2025 11:14

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

(n - 1)(n + 1)

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

Why can't the US government force this new deep seek to not operate in the USA for security reasons? People's personal information will be available to China like TikTok was.

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

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

Why is it important for Hollywood celebrities to come out against Trump?

Move the nub up to the top:

n^2 - 1

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What are some common lies that addicts may tell themselves?

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

What is the recommended approach for creating a film or TV script? Should the script be written first or should the story be developed first? Why?

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Why did lobsters evolve bright colors if they are neither poisonous nor venomous?

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