SOLUTION: Hi. How would I solve the problem log2 (x^2-9)=4 Would I factor out the (x^3-9) to make its (x+3) (x-3) Then go from there?

SOLUTION: Hi. How would I solve the problem log2 (x^2-9)=4 Would I factor out the (x^3-9) to make its (x+3) (x-3) Then go from there?

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Question 452885: Hi. How would I solve the problem log2 (x^2-9)=4 Would I factor out the (x^3-9) to make its (x+3) (x-3) Then go from there?
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!

<==>
==>
==> x = -5, 5.
Both values satisfy the original equation, and so are the final answers.
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