Why is (n-1)(n+1)=n^2-1?
Last Updated: 02.07.2025 08:55

xxxx
xxx x
xxx
How come Taiwan is LGBT friendly, yet Japan and South Korea are not?
And you are left with almost a square. One less than the square of side n.
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)
Can you share summer photos? Day 8
n^2 - 1
xxx x
Move the nub up to the top:
n^2 - n + n - 1
xx
So, that’s a rectangle with sides 2 and 4.
New Research Reveals That Humans Are Seasonal Animals - SciTechDaily
The more direct answer is to look at a rectangle with sides of n + 1 and n - 1, let’s go with n = 2
The basic answer is that you cross-multiply the values in each factor:
xxx
These Common Foods Can Slow Aging Naturally, According to Scientists - SciTechDaily
xxxx