Why is (n-1)(n+1)=n^2-1?
Last Updated: 24.06.2025 02:48
xxxx
n^2 - n + n - 1
xxx x
Fantasy Baseball SP Roundup 6/12: Nobody Beats Jay Mis - Pitcher List
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.
xxxx
The basic answer is that you cross-multiply the values in each factor:
And you are left with almost a square. One less than the square of side n.
n^2 - 1
You Can Own This Ultra-Rare Italian Viper - Motor1.com
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
(n - 1)(n + 1)
Google Confirms Most Gmail Users Must Upgrade All Their Accounts - Forbes
xxx x
xxx
xxx
Move the nub up to the top: