Why is (n-1)(n+1)=n^2-1?
14.06.2025 01:57

Move the nub up to the top:
xxx
xxx
Why do people have polyamorous relationships?
xxx x
And you are left with almost a square. One less than the square of side n.
xxxx
Did another parent ever tell you something about your child that you didn’t know?
The more direct answer is to look at a rectangle with sides of n + 1 and n - 1, let’s go with n = 2
So, that’s a rectangle with sides 2 and 4.
(n - 1)(n + 1)
What is after school detention like in your school?
The basic answer is that you cross-multiply the values in each factor:
n^2 - n + n - 1
xxxx
What do you do to make yourself sleep early?
n^2 - 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
—— which songs do certain kuorans remind you of?
xx