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

Last Updated: 23.06.2025 06:00

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

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

xxxx

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

Josh Allen And Hailee Steinfeld's Wedding Photos Have Social Media Buzzing - OutKick

xxx

xxx

(n - 1)(n + 1)

Can cheating be a result of not truly loving or caring for someone, or is it sometimes just a spur of the moment decision?

xx

n^2 - n + n - 1

Move the nub up to the top:

Why do you think it is bad to allow people to self-identify as a different gender?

xxx x

n^2 - 1

xxxx

Is something wrong with my discharge? So, when I masturbate, white discharge comes from my vagina, but it's not stretchy, it's pasty. It doesn't smell and I'm not itchy, so I'm sure it's not a yeast infection. Why is it pasty though?

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

xxx x

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

Is it possible for a judge to hold someone in contempt for not being able to pay a fine that was imposed during their sentencing hearing?

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