Expand: (a+b+c)2(a + b + c)^2(a+b+c)2
a2+b2+c2+2ab+2ac+2bca^2 + b^2 + c^2 + 2ab + 2ac + 2bca2+b2+c2+2ab+2ac+2bc
a2+b2+c2a^2 + b^2 + c^2a2+b2+c2
a2+b2+c2+ab+ac+bca^2 + b^2 + c^2 + ab + ac + bca2+b2+c2+ab+ac+bc
a2+b2+c2−2ab−2ac−2bca^2 + b^2 + c^2 - 2ab - 2ac - 2bca2+b2+c2−2ab−2ac−2bc