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

Last Updated: 17.06.2025 23:58

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

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n^2 - n + n - 1

(n - 1)(n + 1)

How many of you have had your parental rights taken away because of lies and no truth whatsoever, and did you prove the lies that were told about you to be false either through drug testing or another way, but still had your rights taken?

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

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

Can ringing in the ears be a sign of spiritual awakening?

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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

n^2 - 1

Liberals, why don't you like Conservatives?

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If you believe in God, do you think God can save you from cancer?

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Move the nub up to the top:

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

I am skinny, I have been doing 100 pushups a day for more than a month and am seeing very few results, everything is so unfair, I workout more than anyone I know and am still skinny, why cant I build muscle?

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