document.write( "Question 667681: if x+1/x= 2 find the value of 8x^3+1/x^3 \n" ); document.write( "
Algebra.Com's Answer #415140 by lwsshak3(11628)\"\" \"About 
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if x+1/x= 2 find the value of 8x^3+1/x^3
\n" ); document.write( "..
\n" ); document.write( "x+1/x= 2
\n" ); document.write( "x^2+1=2x
\n" ); document.write( "x^2-2x+1=0
\n" ); document.write( "(x-1)^2=0
\n" ); document.write( "x-1=0
\n" ); document.write( "x=1
\n" ); document.write( "..
\n" ); document.write( "8x^3+1/x^3
\n" ); document.write( "=8+1
\n" ); document.write( "=9
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