document.write( "Question 378678: I need help solving this logarithm log(2x)+3log(x^2)=72
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document.write( "All the other ones I have done are equal to something small. \n" );
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Algebra.Com's Answer #268954 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! log(2x)+3log(x^2) = 72 \n" ); document.write( "---- \n" ); document.write( "log(2x) + log(x^2)^3 = 72 \n" ); document.write( "----- \n" ); document.write( "log(2x) + log(x^6) = 72 \n" ); document.write( "---- \n" ); document.write( "log[2x*x^6] = 72 \n" ); document.write( "--- \n" ); document.write( "log[2x^7] = 72 \n" ); document.write( "----- \n" ); document.write( "2x^7 = 10^72 \n" ); document.write( "----- \n" ); document.write( "x^7 = 5*10^71 \n" ); document.write( "--- \n" ); document.write( "x = 1.7487*10^10 \n" ); document.write( "======================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |