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THoover09
THoover09 THoover09
  • 11-03-2016
  • Mathematics
Answered

What is the solution of log3x − 725 = 2?

Verified Answer :

apologiabiology
apologiabiology apologiabiology
  • 11-03-2016

so remember

\(log_{a}x=y\) means a^y=x so

\(log_{3x-7}25=2\) means (3x-7)^2=25
(3x-7)^2=25
square root both sides
3x-7=+/-5
3x-7=5
3x-7=-5
add 7
3x=12
3x=2
divide 3
x=4
x=2/3

x=4 or 2/3



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