SOLUTION: log base 4 x+log base 4 (x-3)=1

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Question 71595: log base 4 x+log base 4 (x-3)=1
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
log base 4 x+log base 4 (x-3)=1
log (base 4) x(x-3) = 1
x(x-3)=4
x^2-3x-4=0
(x-4)(x+1)=0
x=4 or x=-1
Only x=4 is an answer; x=-1 is extraneous
Cheers,
Stan H.