Why is (n-1)(n+1)=n^2-1?
Last Updated: 21.06.2025 04:34
n^2 - n + n - 1
The more direct answer is to look at a rectangle with sides of n + 1 and n - 1, let’s go with n = 2
(n - 1)(n + 1)
I'm straight, so why do I love watching guys cum?
And you are left with almost a square. One less than the square of side n.
xxx x
n^2 - 1
When writing a novel, how can a character be developed well, but QUICKLY?
xxx x
xx
The basic answer is that you cross-multiply the values in each factor:
xxxx
xxx
Move the nub up to the top:
How do I get my body in shape?
xxxx
If you cut off the end of that rectangle, you make it smaller, 2 * 3 and a separate nub of size 1 * 2
So, that’s a rectangle with sides 2 and 4.
What was the worst decision you ever did?
xxx