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

Last Updated: 21.06.2025 01:04

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

xxx

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

xxx x

How can the citizens of Russia accept the enormous difference between people? The richest 500 Russians own more than the poorest 99.8% of the entire Russian population combined. Why don't we see any protests?

n^2 - 1

(n - 1)(n + 1)

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

Is there a reason why many men give up on dating and relationships? Is the dating scene difficult for them?

n^2 - n + n - 1

xxx x

Move the nub up to the top:

What I have noticed is nearly every girl I try to connect with whom reject me are in their early 20s why is that the case?

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

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

xxxx

Someone said that Japanese girls fly to Los Angeles all the time to have fun with black men. Is that true?

xxxx

xxx

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

Do conservative white women like black men?

xx