log3(x^2)=2log3(4)-4log3(5)

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Trig ???

log3(x^2)=2log3(4)-4log3(5)
log₃ x^2 = log₃4^2 - log₃5^4

log₃x^2 = log₃(16/625)
x^2 = 16/625
x = ± 4/25

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