If the factors of\[{{a}^{2}}+{{b}^{2}}+2(ab+bc+ca)\]are\[(a+b+m)\]and\[(a+b+nc)\], find the value of\[m+n\].

If the factors of\[{{a}^{2}}+{{b}^{2}}+2(ab+bc+ca)\]are\[(a+b+m)\]and\

1.	If the factors of\[{{a}^{2}}+{{b}^{2}}+2(ab+bc+ca)\]are\[(a+b+m)\]and\[(a+b+nc)\], find the value of\[m+n\].
A.	\[0\]
B.	\[2\]
C.	\[4\]
D.	\[6\]
Answer» C. \[4\]

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If the factors of\[{{a}^{2}}+{{b}^{2}}+2(ab+bc+ca)\]are\[(a+b+m)\]and\[(a+b+nc)\], find the value of\[m+n\].

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