document.write( "Question 816274: Can you please help me solve this with the Quadratic Equation?
\n" );
document.write( "x^2+39x+360=0\r
\n" );
document.write( "\n" );
document.write( "When I tried it, I came up with -39 +/- sqrt(1521-56160) \n" );
document.write( "
Algebra.Com's Answer #491456 by Edwin McCravy(20056)![]() ![]() You can put this solution on YOUR website! \r\n" ); document.write( "x²+39x+360 = 0\r\n" ); document.write( "\r\n" ); document.write( "It can be factored:\r\n" ); document.write( "\r\n" ); document.write( "(x+24)(x+15) = 0\r\n" ); document.write( "\r\n" ); document.write( "x+24=0; x+15=0\r\n" ); document.write( " x=-24; x=-15\r\n" ); document.write( "\r\n" ); document.write( "But you could have solved it using the quadratic formula.\r\n" ); document.write( "\r\n" ); document.write( "You got the quadratic formula wrong and used b²-4bc instead of b²-4ac.\r\n" ); document.write( "\r\n" ); document.write( "\n" ); document.write( " |