Question

simplify (a+b+c)square + (a-b+c)square + (a+b-c)square

Answer 1

(a-b+c)^2= a^2 +b^2+c^2 - 2ab-2bc+2ac.

Answer 2

Answer:

• (a-b+c)^2= a^2 +b^2+c^2 - 2ab-2bc+2ac.