Why is (n-1)(n+1)=n^2-1?
16.06.2025 01:10
And you are left with almost a square. One less than the square of side n.
xxxx
xxx
The basic answer is that you cross-multiply the values in each factor:
If you cut off the end of that rectangle, you make it smaller, 2 * 3 and a separate nub of size 1 * 2
n^2 - n + n - 1
How do I get over a long-term relationship breakup?
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
(n - 1)(n + 1)
Do you want to have an XXX chat?
xxx x
xxxx
xxx x
Who is the most dangerous or evilest person of all time?
xxx
Move the nub up to the top:
n^2 - 1
Why is it difficult to get a job?
xx