document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=479289>Question 479289</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi. Here is the problem I'm stuck on. The math problem says to simplify the expression.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+sqrt+864x%5E2+ ALIGN=MIDDLE  ALT=\"+sqrt+864x%5E2+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "I know the square root of 864 is 12 sqrt 6, but I don't know what to do with the x^2. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #328390 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=328390\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> you want to simplify sqrt(864*x^2)<BR>\n" );
document.write( "the x^2 under the square root can be taken out from under the square root sign by taking the square root of it.<BR>\n" );
document.write( "since the square root of x^2 is equal to x, your equation then becomes:<BR>\n" );
document.write( "x*sqrt(864)<BR>\n" );
document.write( "since 864 is equal to 6*144 and 144 is a perfect square, you can bring it out from under the square root sign by taking the square root of it, as you did.<BR>\n" );
document.write( "you are left with:<BR>\n" );
document.write( "x * 12 * sqrt(6)<BR>\n" );
document.write( "your answer is:<BR>\n" );
document.write( "12x*sqrt(6)<BR>\n" );
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