document.write( "Question 901511: Determine the value or values of d that complete the square for the expression. Enter your answers as a comma-separated list. If there is no solution, enter NO SOLUTION.) \r
\n" ); document.write( "\n" ); document.write( "x^2 + dx + 64\r
\n" ); document.write( "\n" ); document.write( "and \r
\n" ); document.write( "\n" ); document.write( "x^2 + dx + 49/4
\n" ); document.write( "

Algebra.Com's Answer #546753 by Edwin McCravy(20060)\"\" \"About 
You can put this solution on YOUR website!
\r\n" );
document.write( "Set \"x%5E2+%2B+dx+%2B+64\" equal to the square of the \r\n" );
document.write( "sum of the square roots of the first and third terms\r\n" );
document.write( "\r\n" );
document.write( "\"x%5E2+%2B+dx+%2B+64=%28x%2B8%29%5E2\"\r\n" );
document.write( "\r\n" );
document.write( "\"x%5E2%2Bdx%2B64=%28x%2B8%29%28x%2B8%29\"\r\n" );
document.write( "\r\n" );
document.write( "\"x%5E2%2Bdx%2B64=x%5E2%2B16x%2B64\"\r\n" );
document.write( "\r\n" );
document.write( "x²'s and 64s cancel\r\n" );
document.write( "\r\n" );
document.write( "\"dx=16x\"\r\n" );
document.write( "\r\n" );
document.write( "\"d=16\"\r\n" );
document.write( "\r\n" );
document.write( "---------------------\r\n" );
document.write( "x^2 + dx + 49/4\r\n" );
document.write( "\r\n" );
document.write( "Set \"x%5E2+%2B+dx+%2B+49%2F4\" equal to the square of the\r\n" );
document.write( "sum of the square roots of the first and third terms\r\n" );
document.write( "\r\n" );
document.write( "\"x%5E2+%2B+dx+%2B+49%2F4=%28x%2B7%2F2%29%5E2\"\r\n" );
document.write( "\r\n" );
document.write( "\"x%5E2%2Bdx%2B49%2F4=%28x%2B7%2F2%29%28x%2B7%2F2%29\"\r\n" );
document.write( "\r\n" );
document.write( "\"x%5E2%2Bdx%2B49%2F4=x%5E2%2B7x%2B49%2F4\"\r\n" );
document.write( "\r\n" );
document.write( "x²'s and \"49%2F4\"s cancel\r\n" );
document.write( "\r\n" );
document.write( "\"dx=7x\"\r\n" );
document.write( "\r\n" );
document.write( "\"d=7\"\r\n" );
document.write( "\r\n" );
document.write( "Edwin
\n" ); document.write( "
\n" );