Найдите нули функции \(f\left ( x \right )=\dfrac{\left ( 5-2x \right )\left ( x+3 \right )}{x-4}\) .

• -3; 2,5

• -3; \(\dfrac{2}{5}\)

• -3; \(\dfrac{2}{5}\) ; 4

• -2,5; 3