document.write( "Question 882371: 1/x-1/(x+1)=3 \n" ); document.write( "

Algebra.Com's Answer #532911 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
1/x-1/(x+1)=3|
\n" ); document.write( "Multiply both sides by $\"%28x%28x%2B1%29%29\"$
\n" ); document.write( " $\"x%2B1-x=3x%28x%2B1%29\"$
\n" ); document.write( " $\"1=3x%5E2%2B3x\"$
\n" ); document.write( " $\"3x%5E2%2B3x-1=0\"$
\n" ); document.write( " $\"3%28x%5E2%2Bx%29=1\"$
\n" ); document.write( " $\"3%28x%5E2%2Bx%2B1%2F4%29=1%2B3%2F4\"$
\n" ); document.write( " $\"3%28x%2B1%2F2%29%5E2=7%2F4\"$
\n" ); document.write( " $\"%28x%2B1%2F2%29%5E2=7%2F12\"$
\n" ); document.write( " $\"x%2B1%2F2=0+%2B-+sqrt%287%2F12%29\"$
\n" ); document.write( " $\"x=-1%2F2+%2B-+sqrt%287%2F12%29\"$
\n" ); document.write( " $\"x=-1%2F2+%2B-+sqrt%2884%29%2F12\"$
\n" ); document.write( " $\"highlight_green%28x=-1%2F2+%2B-+sqrt%2821%29%2F6%29\"$
\n" ); document.write( " \n" ); document.write( "

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