Determine all possible triplet(s) (a, b, c) of positive integers, with a ≤ b ≤ c, that satisfy this equation.

a*b+b*c+c*a - (a+b+c) = 21

(In reply to Analytical solution (spoiler) by Steve Herman)

Nice. Only a slight typo...

 "The only solutions where a = 2 are (2,2,7) and (2,3,5)."

Posted by Dej Mar on 2010-06-08 09:30:04