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

10.06.2025 06:44

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

n^2 - 1

(n - 1)(n + 1)

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'Cheers' star's cause of death released - KING5.com

Move the nub up to the top:

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Experts warn that 1 in 5 adults are at risk of developing sleep disorders due to this substance - Tom's Guide

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

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

What are the differences between Republicans and Democrats in their views of the government's role in society? How do these differences impact policymaking?

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

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

Why are most people broke?

n^2 - n + n - 1

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How can fashion design be used to make a political statement in popular culture, and society?

The more direct answer is to look at a rectangle with sides of n + 1 and n - 1, let’s go with n = 2