document.write( "Question 415755: 2log[base 3](x+4)-log[base 3]9=2 \n" ); document.write( "
Algebra.Com's Answer #291398 by ewatrrr(24785)\"\" \"About 
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\n" ); document.write( " 3^2 = (x+4)^2/9
\n" ); document.write( " 81= (x+4)^2
\n" ); document.write( " ± 9 = x + 4
\n" ); document.write( " -4 ± 9 = x (x = -13 is an Extraneous solution)
\n" ); document.write( " x = 5 \n" ); document.write( "
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