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

15.06.2025 10:47

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

n^2 - 1

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n^2 - n + n - 1

Why is the left keep misrepresenting what Trump said about his daughter? When asked if he would date her if he weren’t her father, it simply reflected pride in raising a smart, respectful, and loving daughter with good morals all men want that no?

Move the nub up to the top:

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

What are "demonic attacks" and how can one tell when they're happening to them, or someone else? How would one go about dealing with it?

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

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Which is the correct Tamil New Year, Thai-1 or Chithirai-1?

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

Why are Trump's and Khan's experiences with authorities in the US and Pakistan similar?

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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

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How mentally ill are Republicans who think Trump is mentally sane? He literally said immigrants eat pets.

(n - 1)(n + 1)