document.write( "Question 113578: log(x+10) - log(x+4) = log x \n" ); document.write( "
Algebra.Com's Answer #82966 by scott8148(6628)\"\" \"About 
You can put this solution on YOUR website!
using rules for logarithms, (x+10)/(x+4)=x ___ x+10=x(x+4)\r
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\n" ); document.write( "\n" ); document.write( "x^2+3x-10=0 ___ (x+5)(x-2)=0\r
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\n" ); document.write( "\n" ); document.write( "remember: logarithms do NOT exist for negative numbers
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