document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1007604>Question 1007604</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The question is the<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+sqrt%28+%284s%5E2%29%2B%2816t%5E2%29+%29+ ALIGN=MIDDLE  ALT=\"+sqrt%28+%284s%5E2%29%2B%2816t%5E2%29+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >The answer is  2<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+sqrt%28+%28s%5E2%29%2B%284t%5E2%29%29+ ALIGN=MIDDLE  ALT=\"+sqrt%28+%28s%5E2%29%2B%284t%5E2%29%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >. I don't understand why the 4 would be taken outside to become a 2 and why the 16 would only reduce to 4. I thought that because 4 is 2 squared that you could take that out as well. Sorry If my thinking makes little sense. I have been really struggling with understanding this question. Thank you for any help you can give me.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #623468 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=623468\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The question is the<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+sqrt%28+%284s%5E2%29%2B%2816t%5E2%29+%29+ ALIGN=MIDDLE  ALT=\"+sqrt%28+%284s%5E2%29%2B%2816t%5E2%29+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Actually, that's not a question.  It's just an expression.<BR>\n" );
document.write( "If you want to simplify it:<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+sqrt%284s%5E2+%2B+16t%5E2%29+=+sqrt%284%2A%28s%5E2+%2B+4t%5E2%29%29 ALIGN=MIDDLE  ALT=\"+sqrt%284s%5E2+%2B+16t%5E2%29+=+sqrt%284%2A%28s%5E2+%2B+4t%5E2%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "= <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%284%29%2Asqrt%28s%5E2+%2B+4t%5E2%29%29 ALIGN=MIDDLE  ALT=\"sqrt%284%29%2Asqrt%28s%5E2+%2B+4t%5E2%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%284%29+=+2 ALIGN=MIDDLE  ALT=\"sqrt%284%29+=+2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "= 2<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+sqrt%28+%28s%5E2%29%2B%284t%5E2%29%29+ ALIGN=MIDDLE  ALT=\"+sqrt%28+%28s%5E2%29%2B%284t%5E2%29%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );