The expression $a^3 + b^3 + c^3 - 3abc$ equals:

Question

Accepted Answer

$(a + b + c)(a^2 + b^2 + c^2 - ab - bc - ca)$

Answer

$(a + b + c)(a^2 + b^2 + c^2 + ab + bc + ca)$

Answer

$(a - b - c)(a^2 + b^2 + c^2 - ab - bc - ca)$

Answer

$(a + b + c)^3$

The expression a3+b3+c3−3abca^3 + b^3 + c^3 - 3abca3+b3+c3−3abc equals: