Question

write the expansion (a+b+c)²​

Answer 1

Answer:

Hi mate.

Step-by-step explanation:

(a+b+c)2 = a2 + b2 + c2 + 2ab + 2bc + 2ac.

Hope this helps you

Answer 2

Answer:

a^2 + b^2 + c^2 + 2ab + 2bc + 2ca.

Step-by-step explanation:

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