pertidaksamaan
(-2x + 7)/(x + 3) ≤ 0
pembuat nol
-2x + 7 = 0 → x = 7/2
x + 3 = 0 → x = -3
uji pembuat nol
- - (-3) ++++ (7/2) - -
ambil yg ≤ 0 → negatif
x ≠ 3
HP = {x| x < -3 atau x ≥ 7/2 , x ∈ R}
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pertidaksamaan
(-2x + 7)/(x + 3) ≤ 0
pembuat nol
-2x + 7 = 0 → x = 7/2
x + 3 = 0 → x = -3
uji pembuat nol
- - (-3) ++++ (7/2) - -
ambil yg ≤ 0 → negatif
x ≠ 3
HP = {x| x < -3 atau x ≥ 7/2 , x ∈ R}