document.write( "Question 54050: Please Solve Rational Expression\r
\n" ); document.write( "\n" ); document.write( "1/(x+1) + 1/2 = 2/(x^2 - 1)\r
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Algebra.Com's Answer #36284 by anjulasahay(30)\"\" \"About 
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1/(x+1) + 1/2 = 2/(x^2 - 1)
\n" ); document.write( "(2+(x+1))/2(x+1)=2/(x+1)*(x-1)
\n" ); document.write( "or x+3=4/(x-1)
\n" ); document.write( "or (x+3)*(x-1)=4
\n" ); document.write( "or x^2+2x-3=4
\n" ); document.write( "or x^2+2x-7=0
\n" ); document.write( "It is a quadratic eq. hence x = (-2-+sqrt(4-4*(-7)))/2
\n" ); document.write( " = (-2+-sqrt(32))/2
\n" ); document.write( " =-1+-sqrt(8)
\n" ); document.write( " =(-1+sqrt(8)) or (-1-sqrt(8))
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