document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=431151>Question 431151</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am trying to simplify radical expressions.. It says Assume that the variables are positive. Write \"nonreal\" if the expression does not represent a real number. The problem is sqrt( 98 ). I know the answer is 7 sqrt ( 2 ) but I am not sure how I got that answer. How do I get from sqrt ( 98 ) to 7 sqrt (2) ?<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 #299306 by </B><A HREF=/tutors/aboutme.mpl?userid=richard1234><B>richard1234(7193)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richard1234><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=richard1234><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=299306\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Factor out the largest square divisor of 98. Since <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=98+=+7%5E2%2A2 ALIGN=MIDDLE  ALT=\"98+=+7%5E2%2A2\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%2898%29+=+sqrt%287%5E2%2A2%29+=+sqrt%287%5E2%29sqrt%282%29+=+7sqrt%282%29 ALIGN=MIDDLE  ALT=\"sqrt%2898%29+=+sqrt%287%5E2%2A2%29+=+sqrt%287%5E2%29sqrt%282%29+=+7sqrt%282%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >. </SPAN>\n" );
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