SOLUTION: I need help solving log4(x^2+9)=2log4(3x)

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Question 191569: I need help solving log4(x^2+9)=2log4(3x)
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
I need help solving log4(x^2+9)=2log4(3x)
log%284%2C%28x%5E2%2B9%29%29+=+log%284%2C9x%5E2%29 (3x)^2 = 9x^2
x%5E2%2B9+=+9x%5E2
8x%5E2+=+9
x = +3/sqrt(8) = +3sqrt(2)/4
x = -3/sqrt(8) = -3sqrt(2)/4