Simplify the given expression.
\(\frac{a^2-b^2-2 b c-c^2}{a^2+b^2+2 a b-c^2}\)
1
\( \frac{a+b+c}{a-b-c} \)
2
\(\frac{a-b-c}{a+b-c} \)
3
\( \frac{a+b-c}{a-b-c}\)
4
\( \frac{a-b+c}{a+b-c}\)
Simplify the given expression.
\(\frac{a^2-b^2-2 b c-c^2}{a^2+b^2+2 a b-c^2}\)