Question 381495
solve for x and express irrational in exact form 
2 log(base a)(x-4)=log(base a)^18+log(base a)^2
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2loga(x-4)-loga(sqrt(18)) + loga(sqrt(2))
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= loga[(x-4)^2*2/sqrt(18)]
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= logz[2(x-4)^2/sqrt(18)]
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Cheers,
Stan H.