Express \(2\over x+4\) + \({4 \over x-3} - {4(x+4) \over x2+x-12)} \) in the form \( c \over (x+1)\).
\(2 \over x+4\)
\(1 \over x+2\)
\(2 \over x+1\)
\(1 \over x+3\)
