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

The basic answer is that you cross-multiply the values in each factor: (n - 1)(n + 1) n^2 - n + n -...
Last Updated:
The basic answer is that you cross-multiply the values in each factor: (n - 1)(n + 1) n^2 - n + n -...
Last Updated:
I'll try and keep the backstory short. My mom does housekeeping and some other stuff for this pretty...
Last Updated:
It seems that way to you, Dan Lindsey, because like most MAGA Trump-fellating cult dingbats, you hav...
Last Updated:
Frankly i’m sick to death of anything to do with Melania (Russian plant.) After seeing the porno pic...
Last Updated:
**Why is it that women are stronger than men nowadays? Is a very wealthy man who chooses to stay sin...
Last Updated:
A foul smell and wetness without other symptoms could be due to sweat, urine leakage, or an underlyi...
Last Updated:
I was married for 10 years, and I have been divorced for ten years. I am now 51 years old, and my X...
Last Updated:
It means what I do. Here’s how it works. Can I afford to live in a 6000 sq/ft house on the affluent...
Last Updated:
Hi! I created this question and I just wanna say what happend so you can actually decide If I am the...
Last Updated:
Yes, a good portion of what I wore as a kid were hand me downs from both my sister and my aunt (who...
Last Updated:
Well, no, not from everywhere on Earth, my friend. As many people have pointed out in the comments,...
Last Updated:
This answer comes from a 19 year old girl. Having brought up in a broken family, I from the very chi...