\(2x\left( {x - 3} \right) = x - 3\)
A.\(x \in \left\{ { - 3;\frac{1}{2}} \right\}.\)
B.\(x \in \left\{ {3; - \frac{1}{2}} \right\}.\)
C.\(x \in \left\{ {3;\frac{1}{2}} \right\}.\)
D.\(x \in \left\{ { - 3; - \frac{1}{2}} \right\}.\)

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