Why is (n-1)(n+1)=n^2-1?
Last Updated: 20.06.2025 03:42
xxx
So, that’s a rectangle with sides 2 and 4.
The more direct answer is to look at a rectangle with sides of n + 1 and n - 1, let’s go with n = 2
What do women talk about mostly(among themselves)?
xxxx
xxx
xxx x
Why aren't F1 cars popular on the street?
And you are left with almost a square. One less than the square of side n.
(n - 1)(n + 1)
xxx x
Why is it that women are stronger than men nowadays?
xx
The basic answer is that you cross-multiply the values in each factor:
xxxx
Why is the government destroying the homeless instead of helping them?
n^2 - 1
Move the nub up to the top:
If you cut off the end of that rectangle, you make it smaller, 2 * 3 and a separate nub of size 1 * 2
Why did Donald Trump look so old during the debate?
n^2 - n + n - 1