х^2 - 4х - 5 < 0
(х - 2)² - 4 - 5 < 0
(х - 2)² < 9
|х - 2| < 3
(х-2) є (-3; 3)
х є (-1; 5)
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х^2 - 4х - 5 < 0
(х - 2)² - 4 - 5 < 0
(х - 2)² < 9
|х - 2| < 3
(х-2) є (-3; 3)
х є (-1; 5)