SOLUTION: The problem goes like this.... Solve Equation log4 (x^2 - 4) - log4 (x + 2) = 2

Algebra ->  Exponential-and-logarithmic-functions -> SOLUTION: The problem goes like this.... Solve Equation log4 (x^2 - 4) - log4 (x + 2) = 2      Log On


   

Question 35195: The problem goes like this....
Solve Equation
log4 (x^2 - 4) - log4 (x + 2) = 2
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
log4 (x^2 - 4) - log4 (x + 2) = 2
log4[(x^2-4)/(x+2)]=2
log4[x-2]=2
Therefore 4^2= x-2
x=18
Cheers,
Stan H.