Why is (n-1)(n+1)=n^2-1?
Last Updated: 20.06.2025 03:49
xxx x
xx
And you are left with almost a square. One less than the square of side n.
n^2 - n + n - 1
So, that’s a rectangle with sides 2 and 4.
xxx
Have you ever had a bad gut feeling about someone and it was right?
xxxx
xxx
The basic answer is that you cross-multiply the values in each factor:
How do I get my body in shape?
n^2 - 1
(n - 1)(n + 1)
xxx x
What does the stink of the skunk look like? Why would it be dangerous?
The more direct answer is to look at a rectangle with sides of n + 1 and n - 1, let’s go with n = 2
If you cut off the end of that rectangle, you make it smaller, 2 * 3 and a separate nub of size 1 * 2
Move the nub up to the top:
How will the article end in Part III of Gleissner's hit piece?
xxxx