\(\left( {x - 4} \right)\left( {x + 1} \right) = {\left( {x - 2} \right)^2} - 5x\)
A.\(S = \left\{ {\frac{4}{3}} \right\}.\)
B.\(S = \left\{ {\frac{3}{4}} \right\}.\)
C.\(S = \left\{ {\frac{3}{2}} \right\}.\)
D.\(S = \left\{ {\frac{2}{3}} \right\}.\)