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

Last Updated: 30.06.2025 10:42

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

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n^2 - 1

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

Why aren't U.S. prisons more like Marine Corps boot camp, were every second of the day there are mandatory activities so that at night everyone is so tired they go to sleep until wakeup at 5:30 am? Would this make prisons safer for all?

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US Inflation to Tick Higher as Tariffs Reach Consumers - Bloomberg

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(n - 1)(n + 1)

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

Homophobia is clearly a harmful mental sickness. What can LGBT people do to cure it?

Move the nub up to the top:

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

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Trump is shot, tackled by SS agents, yet then stands, defiant, with fist high, and 52 hours later, walks into the Republican Convention to thunderous applause. Is there anything that can stop this man, who loves his country? Does he get your vote?

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n^2 - n + n - 1

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

Atheists who have read the Bible and think that contains immoral things, why do you assume that?

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