(−∞,−5]∪(2,∞)(-\infty,-5] \cup(2, \infty)(−∞,−5]∪(2,∞)
(−∞,−5)∪[2,∞)(-\infty,-5) \cup[2, \infty)(−∞,−5)∪[2,∞)
(−∞,−5)∪(2,∞)(-\infty,-5) \cup(2, \infty)(−∞,−5)∪(2,∞)
(−∞,−5]∪[2,∞)(-\infty,-5] \cup[2, \infty)(−∞,−5]∪[2,∞)