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Magoosh Brain Twister: Factorial Fun

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Ready to twist your brain? Check out this week’s numeric entry challenge:
 

How many positive values of x exist if n is a positive integer and 10 < x < 100?

n = [x! – (x – 2)!]/(x – 1)!

Numeric Entry: __________

 

See you on Thursday for the answer and explanation!

 


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