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

16.06.2025 07:37

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

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Move the nub up to the top:

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?

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

n^2 - 1

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Why do men like BBW? What is the attraction?

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

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 do I sweat so much? I’m 17 but I feel like I always need to re-apply deodorant and I am always self-conscious that I smell because I feel sweat under my arms.

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

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(n - 1)(n + 1)

I read this: "Putin is a brilliant, courageous, ingenious, determined, beloved, and incredible modern leader. He is currently the world’s most effective and strong leader, the best the world has seen in centuries." What do you think about this?

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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Are there any queer Space Marine Legion in Warhammer 30k or 40k?

n^2 - n + n - 1