Řeš v \( \mathbb{R} \) rovnici:\( \left[(x+9)(x-6)-x^{2}\right]\left(x+\frac{8}{6}\right)=0 \)
\( K=\left\{\frac{-4}{3} ; 18\right\} \)
\( K=\left\{\frac{-5}{3} ; 18\right\} \)
\( K=\left\{\frac{-4}{3} ; 17\right\} \)
\( K=\left\{\frac{-4}{3} ; 19\right\} \)