document.write( "Question 116537: Use the quadratic formula to solve the equation.
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document.write( "7x^2+ 5x+ 8 =0 \n" );
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Algebra.Com's Answer #84718 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Use the quadratic formula to solve the equation. \n" ); document.write( "7x^2+ 5x+ 8 =0\r \n" ); document.write( "\n" ); document.write( "x = [-5 +- sqrt(25-4*7*8)]/14\r \n" ); document.write( "\n" ); document.write( "x = [-5 +- sqrt(-199)]/14\r \n" ); document.write( "\n" ); document.write( "x = [-5 +- i 14.1067]/14\r \n" ); document.write( "\n" ); document.write( "x = [-5+i(14.1067)]/14 or x = [-5-i(14.1067)]/14\r \n" ); document.write( "\n" ); document.write( "==================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |