Why is (n-1)(n+1)=n^2-1?
12.06.2025 02:50

xx
xxx
xxx
How do military families handle communication when a service member is injured overseas?
Move the nub up to the top:
So, that’s a rectangle with sides 2 and 4.
And you are left with almost a square. One less than the square of side n.
n^2 - n + n - 1
xxx x
If you cut off the end of that rectangle, you make it smaller, 2 * 3 and a separate nub of size 1 * 2
Mario Kart World 1.1.0 update out now, patch notes - Nintendo Everything
xxx x
n^2 - 1
xxxx
Were any US Generals hurt or killed yesterday in Damascus, Syria, yesterday 5/9/24?
The basic answer is that you cross-multiply the values in each factor:
(n - 1)(n + 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
Can people who have never met you tell if you are a covert narcissist?
xxxx