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
\n" );
document.write( "\n" );
document.write( "THANK YOU! \n" );
document.write( "
Algebra.Com's Answer #36284 by anjulasahay(30)![]() ![]() ![]() You can put this solution on YOUR website! 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)) \n" ); document.write( " |