Question 544868
2log x - log 5 = log 125

log x^2 - log 5 = log 125

lg( x^2/5)   = lg 125

x^2/5    = 125

x^2 = 125*5

x^2 = 626

taking square root on both sides,


x = sqrt(625)
x = 25

answer. =)


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Thank you. =)