\(\left( {2x - 5} \right)\left( {3x + 7} \right) =...

Câu hỏi: \(\left( {2x - 5} \right)\left( {3x + 7} \right) = 4{x^2} - 25\)

A  \(S = \left\{ {\frac{5}{2}; - 2} \right\}.\)

B \(S = \left\{ { - \frac{5}{2};2} \right\}.\)

C \(S = \left\{ { - \frac{5}{2}; - 2} \right\}.\)

D \(S = \left\{ {\frac{5}{2};2} \right\}.\)