Question

Is a 2 +b 2 +c 2 is the same as (a+b+c) 2 ?

Answer 1

is it a*2+b*2+c*2? in that case, yes it is same

(* here indicates multiplication)

Answer 2

yes if we take 2 common from 2a+2b+2c then we will get 2(a+b+c)
hope it helps.......