SOLUTION: Solve and Round to the nearest millionth?
log[4]x+log[4](x-5)=0
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Question 439893: Solve and Round to the nearest millionth?
log[4]x+log[4](x-5)=0
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Solve and Round to the nearest millionth?
log[4]x+log[4](x-5)=0
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log4(x(x-5)) = 0
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x^2-5x-1 = 0
x = [5 +- sqrt(25-4*5*-1)]/2
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Positive soltion:
x = [5 + sqrt(45)]/2
---
x = [5 + 3sqrt(5)]/2
-----
x = 5.854102
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Cheers,
Stan H.
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