document.write( "Question 1006422: ln(x + 4) + ln(x) = ln(x + 40)\r
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Algebra.Com's Answer #622540 by richard1234(7193)\"\" \"About 
You can put this solution on YOUR website!
Use the fact that ln a + ln b = ln ab.\r
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\n" ); document.write( "\n" ); document.write( "ln(x+4) + ln x = ln(x^2 + 4x)\r
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\n" ); document.write( "\n" ); document.write( "So ln(x^2 + 4x) = ln(x + 40). You should be able to figure it from there.
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