document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=720340>Question 720340</A>: <I><SPAN STYLE=\"word-break: break-all;\"> |x-9|=x^2-9x </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #441769 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=441769\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> |x-9|=x^2-9x<BR>\n" );
document.write( "solve for 2 possibilities:<BR>\n" );
document.write( "for (x-9)>0<BR>\n" );
document.write( "x-9=x^2-9x<BR>\n" );
document.write( "x^2-10x+9=0<BR>\n" );
document.write( "(x-9)(x-1)=0<BR>\n" );
document.write( "x=9 <BR>\n" );
document.write( "or<BR>\n" );
document.write( "x=1<BR>\n" );
document.write( "..<BR>\n" );
document.write( "for (x-9)<0<BR>\n" );
document.write( "-x+9=x^2-9x<BR>\n" );
document.write( "x^2-8x-9=0<BR>\n" );
document.write( "(x-9)(x+1)=0<BR>\n" );
document.write( "x=9 <BR>\n" );
document.write( "or<BR>\n" );
document.write( "x=-1<BR>\n" );
document.write( "Check:<BR>\n" );
document.write( "for x=9<BR>\n" );
document.write( "|x-9|=x^2-9x<BR>\n" );
document.write( "0=81-81<BR>\n" );
document.write( "0=0 (x=9 ok)<BR>\n" );
document.write( "..<BR>\n" );
document.write( "for x=1<BR>\n" );
document.write( "|x-9|=x^2-9x<BR>\n" );
document.write( "|1-9|=1-9<BR>\n" );
document.write( "8&#8800;-8 (reject x=1)<BR>\n" );
document.write( "..<BR>\n" );
document.write( "for x=-1<BR>\n" );
document.write( "|x-9|=x^2-9x<BR>\n" );
document.write( "|-1-9|=x^2-9x<BR>\n" );
document.write( "10=10 (x=-1 ok)<BR>\n" );
document.write( "solution: x=9,-1 </SPAN>\n" );
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