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Verified answer
Bab PertidaksamaanMatematika SMA Kelas X
(x - 3) (2x + 5) > 0
2x + 5 < 0
2x < -5
x < -5/2
x - 3 > 0
x > 3
x < -5/2 atau x > 3
+ + + + ○ - - - - - - - ○ + + + + +
----------○--------------○---------------
...........-5/2..................3...........
Verified answer
(x - 3)(2x + 5) > 0x - 3 > 0 atau 2x + 5 < 0
x > 3 atau 2x < -5
...........atau x < -5/2
Jadi interval nilai x yang memenuhi pertidaksamaan tersebut adalah
{x > 3 atau x < -5/2}
+++|------------------|+++
<---○-----------------○--->
...-5/2.....................3