Logo

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

12.06.2025 01:30

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

n^2 - n + n - 1

xxxx

n^2 - 1

Why after 50 years of being straight do I constantly desire to suck cock?

xxx

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

(n - 1)(n + 1)

How long will it take Christian president-elect Donald J. Trump to restore our nation's moral values?

Move the nub up to the top:

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

xxx x

China tightens ‘whole-chain’ control on critical minerals amid US pressures - South China Morning Post

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

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

xxx

Scientists Calculate That the Entire Big Bang Must Have Taken Place Inside a Black Hole - futurism.com

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

xxx x

xxxx

Which document should be pointed out to a holocaust denier?

xx