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²log (x-3)(x+3) > ²log 4²
(x-3)(x+3) > 4²
x² - 9 > 16
x² > 25
x > 5
2log(x-3)(x+3)>=4
2log(x kuadrat - 9)>= 2log 2pangkat 4
x kuadrat- 9>= 2 pangkat 4
x kuadrat >= 16+9
x kuadrat >= 25
x>= akar plus minus 25
x>= plus minus 5
berarti bisa >=5 atau >= -5