Question

factorise - a²+b²+c²+2ab+2bc+2ca

Answer 1

this is an identity
(a+ b+c)^2

if you want the whole method then inform me

have a nice day

Answer 2

Heya..............

a²+b²+c²+2ab+2bc+2ac this holds the a identity of:-
(a+b+c)²=a²+b²+c²+2ab+2bc+2ac

so it's factor is (a+b+c)²

I hope it is suitable answer.....

thanks:-)