Why is (n-1)(n+1)=n^2-1?
09.06.2025 01:15

xxx x
xxx
xx
Where can Ukrainians go if they cannot have shelter and heating this winter?
(n - 1)(n + 1)
The basic answer is that you cross-multiply the values in each factor:
xxxx
Why would Joseph Smith say that polygamy was God's law?
So, that’s a rectangle with sides 2 and 4.
If you cut off the end of that rectangle, you make it smaller, 2 * 3 and a separate nub of size 1 * 2
Move the nub up to the top:
Do married men like sucking dick?
n^2 - n + n - 1
n^2 - 1
xxx x
What are the most extreme examples of hypocrisy?
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
And you are left with almost a square. One less than the square of side n.
xxxx