document.write( "Question 1057512: Solve (1-x)/(2+x) = (x-2)/(x+1)\r
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Algebra.Com's Answer #672547 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"+%28+1+-+x+%29+%2F+%28+2+%2B+x+%29+=+%28+x+-+2+%29+%2F+%28+x+%2B+1+%29+\"$
\n" ); document.write( "Multiply both sides by $\"+%28+x+%2B+2+%29%2A%28+x+%2B+1+%29+\"$
\n" ); document.write( " $\"+%28+1+-+x+%29%2A%28+x+%2B+1+%29+=+%28+x+-+2+%29%2A%28+x+%2B+2+%29+\"$
\n" ); document.write( " $\"+x+-+x%5E2+%2B+1+-+x+=+x%5E2+-+2x+%2B+2x+-+4+\"$
\n" ); document.write( " $\"+-x%5E2+%2B+1+=+x%5E2+-+4+\"$
\n" ); document.write( " $\"+2x%5E2+=+5+\"$
\n" ); document.write( " $\"+x%5E2+=+5%2F2+\"$
\n" ); document.write( " $\"+x+=+sqrt%285%2F2+%29+\"$
\n" ); document.write( "and
\n" ); document.write( " $\"+x+=+-sqrt%285%2F2%29+\"$
\n" ); document.write( "------------------------
\n" ); document.write( "check answers:
\n" ); document.write( "I'll check the negative square root:
\n" ); document.write( " $\"+%28+1+-+x+%29+%2F+%28+2+%2B+x+%29+=+%28+x+-+2+%29+%2F+%28+x+%2B+1+%29+\"$
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\n" ); document.write( " $\"+1+-+5%2F2+=+-1%2A%28+4+-+5%2F2+%29+\"$
\n" ); document.write( " $\"+-3%2F2+=+-4+%2B+5%2F2+\"$
\n" ); document.write( " $\"+-3%2F2+=+-8%2F2+%2B+5%2F2+\"$
\n" ); document.write( " $\"+-3%2F2+=+-3%2F2+\"$
\n" ); document.write( "OK \n" ); document.write( "

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