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

12.06.2025 12:18

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

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Move the nub up to the top:

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How would you respond to Rep. Nancy Mace's claim that the GOP platform is more in line with what the American people want compared to the left?

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

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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Is something wrong with my discharge? So, when I masturbate, white discharge comes from my vagina, but it's not stretchy, it's pasty. It doesn't smell and I'm not itchy, so I'm sure it's not a yeast infection. Why is it pasty though?

n^2 - 1

(n - 1)(n + 1)

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Eagles star Saquon Barkley stunningly hints he could retire ‘out of nowhere’ - New York Post

n^2 - n + n - 1

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

Can you provide a list of cities named after animals and the animals they were named after?

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

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Is it okay if I am not interested to talk to any of my relatives as I saw the real faces in my brother's marriage as none of them helped us rather were a kind of disappointment and were talking bad?

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