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

Last Updated: 20.06.2025 04:17

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

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n^2 - 1

Can you name a female actress who has had bad timing or luck in her film career?

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Move the nub up to the top:

(n - 1)(n + 1)

Is it possible for a judge to hold someone in contempt for not being able to pay a fine that was imposed during their sentencing hearing?

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

Do women lack the mental strength to succeed at STEM? There seems to be few women at STEM and more women leave STEM after a time of working at it. How can it be just sexism if women aren't banned from entering?

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

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Did you ever receive genuine remarks from a medium regarding your deceased relative with information that the medium could never normally know?

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

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

Scientists have discovered 'third state' between life and death - WKRC

n^2 - n + n - 1