Add the rational expressions and simplify.

Add the rational expressions and simplify.

fraction numerator 5 over denominator x squared minus 3 x space minus 28 end fraction plus fraction numerator 2 over denominator 2 x minus 14 end fraction

A. fraction numerator x plus 9 over denominator x squared minus 3 x minus 28 end fraction

B. fraction numerator x plus 9 over denominator 2 x squared minus 6 x minus 56 end fraction

C. fraction numerator x plus 10 over denominator x squared minus 3 x minus 28 end fraction

D. fraction numerator 2 x plus 18 over denominator 2 x squared minus 6 x minus 56 end fraction