Logo

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

Last Updated: 17.06.2025 01:10

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

Move the nub up to the top:

xxx x

And you are left with almost a square. One less than the square of side n.

What's an uncomfortable truth you've learned to accept?

So, that’s a rectangle with sides 2 and 4.

(n - 1)(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

I feel so attached and in love with a dead celebrity. My love for anyone else is overshadowed by my love for him. What does this mean?

If you cut off the end of that rectangle, you make it smaller, 2 * 3 and a separate nub of size 1 * 2

xxxx

xxx

While emptying a house, have you ever seen something in it that blew your mind?

n^2 - 1

xxx

xx

I committed the unpardonable sin. God immediately punished me so that I can no longer think like before and my brain is as if paralyzed and does not work. I've tried everything (confession, repentance, etc.) nothing helps. Any advice?

xxx x

n^2 - n + n - 1

xxxx

Does any other guys get turned on by dick pic makes you lick lips because you what to suck?

The basic answer is that you cross-multiply the values in each factor: