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

Last Updated: 20.06.2025 02:10

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

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n^2 - 1

Why don’t Jews regard Jesus as an important teacher or rabbi, if not the Messiah? Putting aside messianic claims, wouldn’t Jesus be one of the most significant Jewish teachers in human history?

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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My girlfriend told me that she wants to move in with me. I have my own apartment and I like my peace and quiet, but I also love her. We've been together for a year now. What should I do?

Move the nub up to the top:

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

(n - 1)(n + 1)

I caught my husband of 20 years looking at inappropriate pics of women on TikTok or Instagram. I'm not sure., but when I told him he got mad and made excuses of why they popped up. I then told him how I've snuck on his phone and saw what he's been looking at . We had a horrible big fight. I asked him why did he even marry me when I see the type he likes . Nothing like me, I'm petite, blonde and blue eyes. These women are dark haired dark eyed and have curvy bodies, large breasts, etc. I just don't feel the same about him after this. I can't get over this

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

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

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Can cheating be a result of not truly loving or caring for someone, or is it sometimes just a spur of the moment decision?

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

n^2 - n + n - 1

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