Logo

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

12.06.2025 00:58

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

xxx x

xxxx

(n - 1)(n + 1)

Do you have any fantasies you are ashamed of?

xxx x

n^2 - 1

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

What are you struggling with in your life? What would you like to have instead?

n^2 - n + n - 1

xxx

xx

Jennifer Garner reveals her secrets to being 53, flirty, and thriving in candid interview - New York Post

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

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

xxx

Decades After Its Joint-Venture Journey Began, Hulu’s Sole Ownership By Disney “Finally Resolved” With $439M Payment To NBCU, Bob Iger Exults - Deadline

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

Is there an MBTI personality that is more or less likely to handle stress?

Move the nub up to the top: