Logo

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

Last Updated: 17.06.2025 10:17

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

xxxx

n^2 - n + n - 1

xxx

What is the best interracial stories that you hear or know and want to share?

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

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

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

Why won't biden give a last minute deferred action TO ALL undocumented immigrants so Trump can't deport them? Obama issued DACA, why can't Biden issue something similar that protects ALL undocumented immigrants from deportation?

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

Move the nub up to the top:

Have you ever really seen aliens or UFOs by yourself? Can you share your experience?

xx

n^2 - 1

(n - 1)(n + 1)

In the last 500 years, have there been civilizations whose cruelty matched that of Nazi Germany?

xxxx

xxx x

xxx

What are the main issues that have historically and currently divided Republicans and Democrats?

xxx x