Diketahui pertidaksamaan x2−6x−x−2≥0\sqrt{x^2-6x}-x-2\ge0x2−6x−x−2≥0. Solusi pertidaksamaan tersebut jika dinyatakan dalam bentuk interval adalah ....
(−∞, 0)\left(-\infty,\ 0\right)(−∞, 0)
(−∞, −25] \left(-\infty,\ -\frac{2}{5}\right]\ (−∞, −52]
[−25, 0]∪[6, ∞) \left[-\frac{2}{5},\ 0\right]\cup\left[6,\ \infty\right)\ [−52, 0]∪[6, ∞)
(−∞, −25]∪[6, ∞) \left(-\infty,\ -\frac{2}{5}\right]\cup\left[6,\ \infty\right)\ (−∞, −52]∪[6, ∞)
(−∞, 0]∪[−25, 6]\left(-\infty,\ 0\right]\cup\left[-\frac{2}{5},\ 6\right](−∞, 0]∪[−52, 6]