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Septic Factorization (Posted on 2015-06-07) Difficulty: 3 of 5
Factorize: (a+b)7 - a7 - b7

Note: For an extra challenge, solve this puzzle without the aid of a computer program or an online calculator.

No Solution Yet Submitted by K Sengupta    
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No Subject | Comment 3 of 5 |
(x+y)^7 - x^7 - y^7 = 7xy(x+y) (x^2+x y+y^2)^2  
  Posted by Benny on 2015-06-07 19:49:33
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