SOLUTION: Please help me solve the following... log6(6 is lower than the g) (x+3) + log6(6 is lower to the g)(x+4)=1

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Question 149549: Please help me solve the following...
log6(6 is lower than the g) (x+3) + log6(6 is lower to the g)(x+4)=1

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
Start with the given equation.



Combine the logs on the left side using the identity



FOIL


Rewrite the equation using the property: ====>


Simplify


Subtract 6 from both sides.


Combine like terms.


Let's use the quadratic formula to solve for x


Start with the quadratic formula


Plug in , , and


Square to get .


Multiply to get


Subtract from to get


Multiply and to get .


Take the square root of to get .


or Break up the expression.


or Combine like terms.


or Simplify.


Since we cannot take the log of a negative number, this means that we must disregard the solution . Notice how


So the only solution is

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