Question

Factorise b^2+c^2+2(ab+bc+ca)​

Answer 1

Answer:

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

Answer 2

Answer:

(b+c)(b+c+2a) is right answer of this question