(х + 5)(2х − 9)/6 −х ≥ 0
2х²+х-45-6х≥0
2х²-5х-45≥0
х=(5±√(25+360)/4
______(5-√385)/4_________(5+√385)/4______
+ - +
х∈(-∞;(5-√385)/4)∪((5+√385)/4;+∞)
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(х + 5)(2х − 9)/6 −х ≥ 0
2х²+х-45-6х≥0
2х²-5х-45≥0
х=(5±√(25+360)/4
______(5-√385)/4_________(5+√385)/4______
+ - +
х∈(-∞;(5-√385)/4)∪((5+√385)/4;+∞)