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

Last Updated: 21.06.2025 10:12

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

n^2 - 1

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

Why don’t Jews regard Jesus as an important teacher or rabbi, if not the Messiah? Putting aside messianic claims, wouldn’t Jesus be one of the most significant Jewish teachers in human history?

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

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

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

Can trans people tell me what the criteria for a woman is excluding self identification (facts do not rely on self belief)?

Move the nub up to the top:

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Do people really never face any hidden costs or surprises with surgeries in countries with single-payer healthcare like the NHS?

n^2 - n + n - 1

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I'm looking for an answer from people who consider themselves "Gender Critical", or transphobic, or TERFs, and my question is this - Why would you refuse to use the pronouns someone wants? What does it cost you? Where's the harm?

(n - 1)(n + 1)

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

How can Democrats not feel hypocritical when they urge Trump not to be vengeful should be become president when the Democrats are trying to put Trump into prison?

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