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

Last Updated: 25.06.2025 16:17

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

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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

Can you explain the ongoing conflict between Palestine and Israel? Why does it appear that Israel has been more successful in the conflict?

Move the nub up to the top:

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

n^2 - n + n - 1

My parents force me (15yo atheist) to go to church, and there’s this thing called Small Sundays where we discuss the Bible in groups, there are questions asked about the Bible. What am I supposed to do when they ask?

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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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Largest map of the universe announced revealing 800,000 galaxies, challenging early cosmos theories - Phys.org

(n - 1)(n + 1)

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

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Can the existence of past lives be proven without the use of hypnosis or a pendulum to inquire about previous incarnations?

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

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Does meth make women super horny like it does men?

n^2 - 1