document.write( "Question 590236: 1. Show that log8x=1/3 log2x hence solve the equation for x>0
\n" ); document.write( " Log2(3x+1) +log8(x-1)3=0
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Algebra.Com's Answer #375083 by lwsshak3(11628)\"\" \"About 
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1. Show that log8x=1/3 log2x hence solve the equation for x>0
\n" ); document.write( "Log2(3x+1) +log8(x-1)3=0
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\n" ); document.write( "log8x=1/3 log2x
\n" ); document.write( "change to base2
\n" ); document.write( "log8x=log2x/log2(8)=log2x/3
\n" ); document.write( "..
\n" ); document.write( "log2(3x+1) +log8(x-1)*3=0
\n" ); document.write( "change to base 2
\n" ); document.write( "log2(3x+1) +log2(x-1)*3/log2(8)=0
\n" ); document.write( "log2(3x+1) +log2(x-1)*3/3=0
\n" ); document.write( "log2(3x+1) +log2(x-1)=0
\n" ); document.write( "place under single log
\n" ); document.write( "log2[(3x+1)(x-1)]=0
\n" ); document.write( "convert to exponential form:
\n" ); document.write( "2^0=(3x+1)(x-1)=1
\n" ); document.write( "3x^2-2x-2=0
\n" ); document.write( "solve by quadratic formula:
\n" ); document.write( "x≈-.549 (reject,x>0)
\n" ); document.write( "or
\n" ); document.write( "x=1.215\r
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