Why is (n-1)(n+1)=n^2-1?
15.06.2025 12:55

So, that’s a rectangle with sides 2 and 4.
xxxx
xxx
xxx
xxx x
xxx x
Poop Transplants Not All They’re Cracked Up to Be - Gizmodo
xx
The more direct answer is to look at a rectangle with sides of n + 1 and n - 1, let’s go with n = 2
Move the nub up to the top:
What happened to your school bully?
And you are left with almost a square. One less than the square of side n.
n^2 - n + n - 1
xxxx
What are you struggling with in your life? What would you like to have instead?
If you cut off the end of that rectangle, you make it smaller, 2 * 3 and a separate nub of size 1 * 2
(n - 1)(n + 1)
n^2 - 1
How can I earn money through OnlyFans?
The basic answer is that you cross-multiply the values in each factor: