document.write( "Question 1130087: log(x+20)+log(x)=2 \n" ); document.write( "
Algebra.Com's Answer #746729 by josgarithmetic(39630)\"\" \"About 
You can put this solution on YOUR website!
\"log%28%28x%2B20%29%29%2Blog%28%28x%29%29=2\"\r
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\n" ); document.write( "\n" ); document.write( "\"log%28%28x%5E2%2B20x%29%29=2\"\r
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\n" ); document.write( "\n" ); document.write( "\"10%5E2=x%5E2%2B20x\"\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2%2B20x-100=0\"\r
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\n" ); document.write( "\"x=%28-20%2Bsqrt%28400%2B4%2A100%29%29%2F2\"\r
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\n" ); document.write( "\n" ); document.write( "\"x=%28-20%2Bsqrt%28800%29%29%2F2\"\r
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\n" ); document.write( "\n" ); document.write( "\"x=%28-20%2B10%2A2%2Asqrt%282%29%29%2F2\"\r
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\n" ); document.write( "\n" ); document.write( "\"x=-10%2B10sqrt%282%29\"
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