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

14.06.2025 01:51

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

xx

Move the nub up to the top:

xxx

I refuse to date any women that are social media influencers, content creators, TikTok celebrities, and use Only fans. Would this be seen as normal, or would I be going too far? Why?

xxx x

xxxx

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 have been married for 34 years, and I found out my wife lied, and cheated a lot back before we got married. Does she not change, or is it possible she is still a cheater?

xxx x

(n - 1)(n + 1)

xxx

Why are Republican politicians so afraid to oppose Trump?

n^2 - n + n - 1

xxxx

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

Why would the state lie about the Earth's shape? We know that it's flat, but why do they lie and tell us that it is a sphere?

n^2 - 1

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

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

What movies have not aged well?

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