SOLUTION: Solve for x: ln(x^2-12)= ln(x)

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Question 326557: Solve for x: ln(x^2-12)= ln(x)
Answer by user_dude2008(1862) About Me  (Show Source):
You can put this solution on YOUR website!
ln(x^2-12)= ln(x)


x^2-12=x

x^2-x-12=0

(x-4)(x+3)=0

x-4=0 or x+3=0

x=4 or x=-3 (ignore)

Only answer is x=4