Question

what is the formula of a cube plus b cube minus C Cube + 3 ABC

Answer 1

$if \: a + b + c = 0 \: then\\ {a}^{3} + {b}^{3} + {c}^{3} - 3abc = (a + b + c)( {a}^{2} + {b}^{2} + {c}^{2} - ab - bc - ca) \\ that \: is \: it$