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

14.06.2025 06:27

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

(n - 1)(n + 1)

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Move the nub up to the top:

Is it possible to become homeless after being released from jail or prison in the United States?

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n^2 - 1

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

Is it possible for people who claim to be genuine and honest to actually not be? If so, why do they behave this way?

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Is it wise to SECRETLY expose a narcissist by telling others that he/she is a covert narcissist?

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

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

Which is the first MV you watched in Stray Kids?

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

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

n^2 - n + n - 1

What do you think of Hegseth calling The Atlantic journalist Jeffrey Goldberg, "a deceitful and highly discredited so-called journalist who has made a profession of peddling hoaxes” after team Trump texted him their top-secret war plans on Yemen?

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