document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=181890>Question 181890</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0321233832/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> x^2+21=10x<BR>\n" );
document.write( "x^2-10x+21=0<BR>\n" );
document.write( "(x-7)(x-3)=0<BR>\n" );
document.write( "x-7 and x=3\r<BR>\n" );
document.write( "\n" );
document.write( "My teacher said this is wrong and I need to factor it. Please help. Thanks! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #136510 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=136510\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Everything you did is correct, except the following:<BR>\n" );
document.write( "x^2+21=10x<BR>\n" );
document.write( "x^2-10x+21=0<BR>\n" );
document.write( "(x-7)(x-3)=0<BR>\n" );
document.write( "x-7 and x=3  <<--typo here, should be x=7<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );