Why is (n-1)(n+1)=n^2-1?
16.06.2025 00:20
(n - 1)(n + 1)
If you cut off the end of that rectangle, you make it smaller, 2 * 3 and a separate nub of size 1 * 2
And you are left with almost a square. One less than the square of side n.
What is the one thing you don't understand that others do?
The basic answer is that you cross-multiply the values in each factor:
xxx
n^2 - n + n - 1
New Orleans Saints sign RB Cam Akers to one-year contract - New Orleans Saints
xxxx
xxx x
n^2 - 1
What was your first trans experience like?
xxx x
xxxx
xx
What is truer than that which is true?
The more direct answer is to look at a rectangle with sides of n + 1 and n - 1, let’s go with n = 2
xxx
So, that’s a rectangle with sides 2 and 4.
Why are Boomers so vehemently opposed to student loan forgiveness?
Move the nub up to the top: