document.write( "Question 806146: Hi i would like to solve this question but i am an idiot to Mathematics and I was wondering if you can help me \r
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document.write( "In (3x2 – x)= In x +In 2 \n" );
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Algebra.Com's Answer #485713 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "adding logs mean multiply \n" ); document.write( " \n" ); document.write( "If the logs are equal the expressions are equal, therefore: \n" ); document.write( "(3x^2 - x) = (2x) \n" ); document.write( "3x^2 - x = 2x \n" ); document.write( "3x^2 - x - 2x = 0 \n" ); document.write( "3x^2 - 3x = 0 \n" ); document.write( "Factor our 3x \n" ); document.write( "3x(x-1) = 0 \n" ); document.write( "Two solutions \n" ); document.write( "x = 0 \n" ); document.write( "x = 1, the only meaningful solution \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "You can check this in your calc, enter \n" ); document.write( "in(3(1^2)-1) = .693 \n" ); document.write( "and \n" ); document.write( "ln(1) + ln(2) = .693: \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Hey! don't badmouth yourself, an idiot wouldn't ask for help. Take a little \n" ); document.write( "time and just think each step through. Good luck. C \n" ); document.write( " \n" ); document.write( " |