SOLUTION: Solve. log2(x^2-1)=3

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Question 247161: Solve. log2(x^2-1)=3
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Solve. log2(x^2-1)=3
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Convert to exponential form:
(x^2-1) = 2^3
x^2-1= 8
x^2-9 = 0
Factor:
(x-3)(x+3) = 0
x = 3 or x = -3
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Cheers,
Stan H.