1. 

   math_celebrity Administrator Staff Member

   98 = 100 - 2
   
   (100 - 2)(100 - 2)
   Using FOIL:
   
   100^2 - 100(2) - 100(2) + -2^2
   10000 - 400 + 4
   9604
   
   

    

   math_celebrity, Dec 16, 2023

   #1
   
   

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