document.write( "Question 1209245: Find the solutions to x^2 + 64 = 19x. Enter your answers separated by commas. \n" ); document.write( "

Algebra.Com's Answer #847912 by ikleyn(52781) $\"\"$ $\"About$

You can put this solution on YOUR website!
.
\n" ); document.write( "Find the solutions to x^2 + 64 = 19x. Enter your answers separated by $\"highlight%28cross%28commas%29%29\"$ comma.
\n" ); document.write( "~~~~~~~~~~~~~~~~~~~\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "

\r\n" );
document.write( "Write in the standard form quadratic equation\r\n" );
document.write( "\r\n" );
document.write( "    x^2 - 19x + 64 = 0.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Calculate the discriminant\r\n" );
document.write( "\r\n" );
document.write( "    d = b^2 - 4ac = (-19)^2 - 4*1*64 = 361 - 256 = 105.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Find the roots using the quadratic formula\r\n" );
document.write( "\r\n" );
document.write( "     =  = .\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "ANSWER.  There are two roots  ,     (separated by comma - one comma is just enough to separate two roots).\r\n" );
document.write( "

\r
\n" ); document.write( "\n" ); document.write( "Solved.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );