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

Last Updated: 20.06.2025 05:53

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

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

Move the nub up to the top:

Help. I’m 16 and just got spanked by both of my parents for taking the car. What do I do? I want to run off somewhere but I’m so scared that I’ll get spanked again. I’ve never gotten the paddle before and I’m still scared to sit

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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What is a real life example of the Streisand Effect?

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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How do individuals become targeted individuals? Is it solely due to experiencing stalking or harassment, or are there other factors involved?

n^2 - n + n - 1

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

n^2 - 1

Why did Mark Lane harass Helen Markham during an illegally recorded telephone conversation to misidentify Lee Harvey Oswald who she witnessed as the shooter of Tippit?

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

(n - 1)(n + 1)

Do women wear undies under leggings?

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