SOLUTION: I need help with this, please and thank you(I'm solving for x): {{{ 4log(2,(x))-log(2,(x+2))=log(2,(x^2))+log(2,(1))}}}

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: I need help with this, please and thank you(I'm solving for x): {{{ 4log(2,(x))-log(2,(x+2))=log(2,(x^2))+log(2,(1))}}}       Log On


   

Question 1035641: I need help with this, please and thank you(I'm solving for x):


Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!

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+2log%282%2Cx%5E2%29-log%282%2Cx%2B2%29=log%282%2Cx%5E2%29
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+log%282%2Cx%5E2%29-log%282%2Cx%2B2%29+=+0
+log%282%2Cx%5E2%29+=+log%282%2Cx%2B2%29
x%5E2+=+x+%2B+2
x%5E2+-+x+-+2+=+0
(x-2)*(x+1) = 0
x = 2
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x = -1 **** not allowed --> log of negative number.