khi quy đồng mẫu thức hai phân thức  (frac{x}{{2x - 6}},) và  (frac{{x - 2}}{{{x^2} - 9}}) được k�

A. \(\frac{x}{{2\left( {x - 3} \right)}};\,\,\frac{{x - 2}}{{{x^2} - 9}}\)

B. \(\frac{{x\left( {x + 3} \right)}}{{2\left( {x - 3} \right)\left( {x + 3} \right)}}\,;\,\frac{{2\left( {x - 2} \right)}}{{\left( {x - 3} \right)\left( {x + 3} \right)}}\)

C. \(\frac{{x\left( {x + 3} \right)}}{{2\left( {x - 3} \right)\left( {x + 3} \right)}}\,;\,\frac{{x - 2}}{{\left( {x - 3} \right)\left( {x + 3} \right)}}\)

D. \(\frac{{x\left( {x + 3} \right)}}{{2\left( {x - 3} \right)}}\,;\,\frac{{x - 2}}{{\left( {x - 3} \right)\left( {x + 3} \right)}}\)