document.write( "Question 320509: x/3= 4/x+1 \n" ); document.write( "
Algebra.Com's Answer #229523 by checkley77(12844)\"\" \"About 
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x/3=4/x+1
\n" ); document.write( "x/3-4/x=1
\n" ); document.write( "(x*x-4*3)/3x=1
\n" ); document.write( "(x^2-12)/3x=1 cross multiply.
\n" ); document.write( "x^2-12=3x
\n" ); document.write( "x^2-3x-12=0
\n" ); document.write( "\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"
\n" ); document.write( "x=(3+-sqrt[-3^2-4*1*-12])/2*1
\n" ); document.write( "x=(3+-sqrt[9+48])/2
\n" ); document.write( "x=(3+-sqrt57)/2
\n" ); document.write( "x=(3+-7.55)/2
\n" ); document.write( "x=(3+7.55)/2
\n" ); document.write( "x=10.55/2
\n" ); document.write( "x=5.275 ans.
\n" ); document.write( "x=(3-7.55)/2
\n" ); document.write( "x=-4.55/2
\n" ); document.write( "x=-2.275 ans.\r
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