document.write( "Question 303982: Solve: ln (x-5) + ln ( x+4)=ln 36 \n" ); document.write( "
Algebra.Com's Answer #217814 by stanbon(75887)\"\" \"About 
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Solve: ln (x-5) + ln ( x+4)=ln 36
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\n" ); document.write( "ln[(x-5)(x+4)] = ln[36]
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\n" ); document.write( "x^2-x-20 = 36
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\n" ); document.write( "x^2-x-56 = 0
\n" ); document.write( "(x-8)(x+7) = 0
\n" ); document.write( "x = 8 or x = -7
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\n" ); document.write( "Only x = 8 is an acceptable solution.
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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