KöMaL 2009 B4155

Solve the following equation: $a^2 b^2$ + $b^2 c^2$ + $c^2 a^2$ + $a^2$ + $b^2$ + $c^2$ +4( $a$ + $b$ + $c$ )+12=6 abc +4( $ab$ + $bc$ + $ca$ ).

Official text KöMaL. Quoted with source.

Solutions

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