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

Last Updated: 18.06.2025 03:35

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

Move the nub up to the top:

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Why do liberals think same-sex marriage is alright? The Bible makes it very clear that it's not alright to be gay, why can't liberals understand that?

n^2 - 1

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

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Were any US Generals hurt or killed yesterday in Damascus, Syria, yesterday 5/9/24?

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

Beef cattle disease found in southeast Iowa herd, first time seen in state - weareiowa.com

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Why are the democrats keep insisting that there are more than two genders?

(n - 1)(n + 1)

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

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

Why are we explaining today’s “climate change” as driven by human related “green house” gasses when natural “global warming” pushed sea level up to the “shores” of Topeka with no human contribution or even presence? Is Occam’s Rasor applied?

n^2 - n + n - 1