log²x + 3 log x - 10≥0
(logx + 5)(logx - 2)=0
logx = - 5 atau log x = 2
uji titik
logx ≥ 2
x ≥ 100
logx ≤ 5
x ≤ 1/105
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log²x + 3 log x - 10≥0
(logx + 5)(logx - 2)=0
logx = - 5 atau log x = 2
uji titik
logx ≥ 2
x ≥ 100
logx ≤ 5
x ≤ 1/105