document.write( "Question 198273: solve
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document.write( "LN(x+3)+LNx=LN4 \n" );
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Algebra.Com's Answer #148823 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! LN(x+3)+LNx=LN4 \n" ); document.write( "LNx(x+3)=LN4 \n" ); document.write( "x(x+3)=4 \n" ); document.write( "x^2 + 3x = 4 \n" ); document.write( "x^2 + 3x - 4 = 0 \n" ); document.write( "(x-4)(x+1) = 0 \n" ); document.write( "x = {-1, 4} \n" ); document.write( "We can toss out the negative solution (ln of a negative does not make sense), leaving us with: \n" ); document.write( "x = 4 \n" ); document.write( " |