SOLUTION: What does a "!" mean in algebra? Example: (n+1)! Thanks!

Question 129846: What does a "!" mean in algebra? Example: (n+1)!
Thanks!
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
The symbol ! is used to denote "factorial"
For example:
5! = 5*4*3*2*1
x! = x(x-1)(x-2)(x-3)...1
The factorial is used in combinations and permutations among other places in math.

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