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

Last Updated: 25.06.2025 04:04

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

xxx

n^2 - 1

xxx x

Why is squid ink safe to eat, while skunk spray is not? What makes the two liquids different from each other?

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

xxx x

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

What are your controversial and hot takes on Naruto?

n^2 - n + n - 1

(n - 1)(n + 1)

Move the nub up to the top:

What if Supergirl was a baby and not a teenager when she left Krypton? Who do you think will find her? What do you think things would be like?

xxxx

xx

xxxx

PGA Tour Announces Unfortunate News About Multiple Golfers During US Open - Athlon Sports

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

The more direct answer is to look at a rectangle with sides of n + 1 and n - 1, let’s go with n = 2

As a NATO/Ukraine supporter, since you're so blown away and angered by Trump putting Zelensky in his place yesterday, why don't you support the Ukraine by joining the Ukrainian army? There's 200,000,000+ of you. Put your money where your mouths are.

xxx