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Cubic Equation (Posted on 2013-06-09) Difficulty: 4 of 5
Determine all triplets (a,b,c) of nonzero integers satisfying:
987654321*a + 123456789*b + c = (a + b + c)3

Prove that there are no others.

No Solution Yet Submitted by K Sengupta    
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  Subject Author Date
re(4): an open letter to CharlieCharlie2013-06-13 18:01:36
re(3): an open letter to CharlieSteve Herman2013-06-13 00:27:29
re(2): an open letter to CharlieCharlie2013-06-12 15:29:31
A simplification?Steve Herman2013-06-11 09:56:22
re: an open letter to CharlieCharlie2013-06-10 21:35:38
Some Thoughtsre(3): A second all-positive solution (spoilers)Charlie2013-06-10 21:26:00
Some Thoughtsan open letter to CharlieAdy TZIDON2013-06-10 17:36:28
re(2): A second all-positive solution (spoilers)Charlie2013-06-10 15:28:54
Questionre: A second all-positive solution (spoilers)Ady TZIDON2013-06-10 03:06:20
Some Thoughtsre: preli etc:Ady TZIDON2013-06-10 01:52:10
Some ThoughtsA second all-positive solution (spoilers)Charlie2013-06-09 23:38:19
Some ThoughtsAnother solution (spoiler)Steve Herman2013-06-09 19:46:22
Some Thoughtspreliminary computer results (spoiler)Charlie2013-06-09 15:01:35
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