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(3 - 2t(2t - 3) + 5(2t - 3))/(2t - 3) ≥ 0
(-4t² + 16t - 12)/(2t - 3) ≥ 0
- 2(2t - 5)(t + 1)/(2t - 3) ≥ 0
tinggal uji titik
3/2t - 2/1t ≥ -5 + 3
-t/2 ≥ -2 / x2
-t ≥ -4
t ≤ 4