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

Last Updated: 21.06.2025 01:52

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

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

xx

xxx

If everyone hates censorship so much, why do those “censorship-free” alternative social media sites always fail?

xxxx

xxx x

xxxx

Why did my bipolar girlfriend split up with me?

n^2 - n + n - 1

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

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

Do you believe that it is right that one Federal judge can block a President's decisions?

xxx x

n^2 - 1

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

Do you think trump realizes that if he significantly decreases the size of CIA, that there is a higher chance of him being assassinated?

xxx

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

Move the nub up to the top:

What role did China play in the signing of the "Beijing Declaration" between Fatah and Hamas? What other information is worth noting for talks among Palestinian factions in Beijing?

(n - 1)(n + 1)