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

Last Updated: 30.06.2025 05:45

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

xxxx

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

xxx x

Why do Darwin atheists not like facts of Genesis? I’ve noticed they block and dismiss everything a person states. Is that how science works to hide when a truth comes at them?

Move the nub up to the top:

n^2 - n + n - 1

(n - 1)(n + 1)

Ireland added to list of countries monitored by the U.S. for currency manipulation - Fortune

xxx

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

xxx

Searching for axions by analyzing X-ray observations of entire galaxies - Phys.org

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

xx

n^2 - 1

Why is the mainstream media, traditionally liberal except for Fox, not reporting on Trump like he's a traditional candidate who has ideas, values, and a concern for the common good?

xxx x

xxxx

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

Why has Biden pulled ahead in battleground states and is now projected to win the 2024 presidency?

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