document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=563798>Question 563798</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve: \r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%28%28x%5E2%2B1%29%29%2B8%2Fsqrt%28x%5E2%2B1%29+=+sqrt%28x%5E2%2B9%29 ALIGN=MIDDLE  ALT=\"sqrt%28%28x%5E2%2B1%29%29%2B8%2Fsqrt%28x%5E2%2B1%29+=+sqrt%28x%5E2%2B9%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #365075 by </B><A HREF=/tutors/aboutme.mpl?userid=friesr><B>friesr(113)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=friesr><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=365075\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28sqrt%28x%5E2%2B1%29sqrt%28x%5E2%2B1%29%29%2Fsqrt%28x%5E2%2B1%29+%2B+8%2Fsqrt%28x%5E2%2B1%29+=+sqrt%28x%5E2%2B9%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "---<BR>\n" );
document.write( "square <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%5E2%2B9%29%2F%28x%5E2%2B1%29+=+x%5E2%2B9 ALIGN=MIDDLE  ALT=\"%28x%5E2%2B9%29%2F%28x%5E2%2B1%29+=+x%5E2%2B9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "--<BR>\n" );
document.write( "multiply by denominator<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E4%2B18x%5E2%2B81+=+%28x%5E2%2B9%29%28x%5E2%2B1%29 ALIGN=MIDDLE  ALT=\"x%5E4%2B18x%5E2%2B81+=+%28x%5E2%2B9%29%28x%5E2%2B1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "__<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E4%2B18x%5E2%2B81+=+x%5E4%2B10x%5E2%2B9 ALIGN=MIDDLE  ALT=\"x%5E4%2B18x%5E2%2B81+=+x%5E4%2B10x%5E2%2B9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "---<BR>\n" );
document.write( "set equal to zero<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8x%5E2%2B72+=+0 ALIGN=MIDDLE  ALT=\"8x%5E2%2B72+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "--<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8x%5E2+=+-72 ALIGN=MIDDLE  ALT=\"8x%5E2+=+-72\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2+=+-9 ALIGN=MIDDLE  ALT=\"x%5E2+=+-9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+3i ALIGN=MIDDLE  ALT=\"x+=+3i\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=+-3i ALIGN=MIDDLE  ALT=\"x=+-3i\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );