document.write( "Question 872249: complete the square x^2+20=39 \n" ); document.write( "
Algebra.Com's Answer #526792 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
perhaps you mean
\n" ); document.write( " x^2+20x=39
\n" ); document.write( "add 10^2
\n" ); document.write( "x^2+20x+100=139
\n" ); document.write( "(x+10)^2=139
\n" ); document.write( "
\n" ); document.write( "
\n" );