Question

what is the formula of a+b+cka hole square

Answer 1

(a+b+c)^2 = a^2+b^2+c^2+2ab+2bc+2ca
hope it help you

Answer 2

Hey mate!
Here's the answer....⬇⬇⬇

$\huge\red{(a+ b +c) }^\red{2} \\\blue=\blue{ {a}^{2} + {b}^{2} + {c}^{2} +2 ab + 2bc +2 ca}$

I hope it helps you....