document.write( "Question 152809: solve using addition method:\r
\n" );
document.write( "\n" );
document.write( "3x^2-2y^2=-5
\n" );
document.write( "2x^2-y^2=-2\r
\n" );
document.write( "\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #112622 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 3x^2-2y^2=-5 \n" ); document.write( "2x^2-y^2=-2 multiply this equation by -2 & add. \n" ); document.write( "-4x^2+2y^2=4 \n" ); document.write( "3x^2-2y^2=-5 \n" ); document.write( "------------------- \n" ); document.write( "x^2+0=-1 \n" ); document.write( "x^2+1=0 \n" ); document.write( "x=0+/-1i (this has complex roots)\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |