document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=245988>Question 245988</A>: <I><SPAN STYLE=\"word-break: break-all;\"> why dose <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%284x%5E4%2B36x%2B81%29 ALIGN=MIDDLE  ALT=\"sqrt%284x%5E4%2B36x%2B81%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x%5E2%2B9 ALIGN=MIDDLE  ALT=\"2x%5E2%2B9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and not<BR>\n" );
document.write( "=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x%5E2%2B6x%2B9 ALIGN=MIDDLE  ALT=\"2x%5E2%2B6x%2B9\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "what happens to the 6??<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #179676 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=179676\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Why does:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%284x%5E4%2B36x%2B81%29+=+2x%5E2%2B9 ALIGN=MIDDLE  ALT=\"sqrt%284x%5E4%2B36x%2B81%29+=+2x%5E2%2B9\"   DISABLED_style= \"max-width:90%; height:auto;\" > and not <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x%5E2%2B6x%2B9 ALIGN=MIDDLE  ALT=\"2x%5E2%2B6x%2B9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Well, you can answer this question by squaring <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x%5E2%2B6x%2B9 ALIGN=MIDDLE  ALT=\"2x%5E2%2B6x%2B9\"   DISABLED_style= \"max-width:90%; height:auto;\" > and see what you get. Let's do that just for fun!<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%282x%5E2%2B6x%2B6%29%5E2+=+4x%5E4%2B12x%5E3%2B18x%5E2%2B12x%5E3%2B36x%5E2%2B54x%2B18x%5E2%2B54x%2B81 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > Simplify.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4x%5E4%2B24x%5E3%2B73x%5E2%2B108x%2B81+%3C%3E+4x%5E4%2B36x%2B81 ALIGN=MIDDLE  ALT=\"4x%5E4%2B24x%5E3%2B73x%5E2%2B108x%2B81+%3C%3E+4x%5E4%2B36x%2B81\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Now we'll start with the original expression and factor the radicand:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Sqrt%284%5E4%2B36x%2B81%29+=+sqrt%28%282x%5E2%2B9%29%29%5E2 ALIGN=MIDDLE  ALT=\"Sqrt%284%5E4%2B36x%2B81%29+=+sqrt%28%282x%5E2%2B9%29%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > Take the square root of the right side.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%284x%5E2%2B36x%2B81%29+=+2x%5E2%2B9 ALIGN=MIDDLE  ALT=\"sqrt%284x%5E2%2B36x%2B81%29+=+2x%5E2%2B9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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