Why is (n-1)(n+1)=n^2-1?
10.06.2025 09:20
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.
xxxx
US measles total nears 1,100 cases as Colorado reports airline cluster - CIDRAP
xxx
The basic answer is that you cross-multiply the values in each factor:
xxx x
What is the best interracial stories that you hear or know and want to share?
(n - 1)(n + 1)
Move the nub up to the top:
xx
xxxx
The more direct answer is to look at a rectangle with sides of n + 1 and n - 1, let’s go with n = 2
n^2 - 1
n^2 - n + n - 1
xxx
If you cut off the end of that rectangle, you make it smaller, 2 * 3 and a separate nub of size 1 * 2
xxx x