**Question:**

If (aa+ab+bb)=(bb+bc+cc) and a,b,c are not equal to each other than a+b+c=????

(A-C)[(A+B+C)/A(C+B)]=0.

Since A=/=C, A+B+C must equal zero.

How zero?!?

__0__

(A+B)^2-AB=(B+C)^2-BC:

(A+B)^2=(AB+BB+BC+CC):

(A+B)^2-CC=AB+BB+BC:

[(A+B)^2-CC]/B=A+B+__C__

Ans=0