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Kelas 10 MatematikaBab Persamaan dan Pertidaksamaan
2/(x + 3) <= 3/(x - 2)
2/(x + 3) - 3/(x - 2) <= 0
(2 (x - 2) - 3 (x + 3))/((x + 3) (x - 2)) <= 0
(2x - 4 - 3x - 9)/((x + 3) (x - 2)) <= 0
(-x - 13)/((x + 3) (x - 2)) <= 0
(x + 13) . (x + 3) (x - 2) >= 0
x + 13 = 0
x = -13
x + 3 = 0
x = -3
x - 2 = 0
x = 2
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..........-13................-3.................2.............
- - - - ... + + + + + ..... - - - - - - ... + + + +
x + 3 tidak sama dengan 0
x tidak sama dengan (-3)
x - 2 tidak sama dengan 0
x tidak sama dengan 2
-13 <= x < -3 atau x > 2