document.write( "Question 668369: log base3x 81=2 \n" ); document.write( "

Algebra.Com's Answer #415486 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi,
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document.write( "   (3x)^2 = 81
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document.write( "     9x^2 = 81
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document.write( "      x^2 = 9
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document.write( "       x = 3   (tossing out -3 as being an extraneous solution) \n" );
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