document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=230296>Question 230296</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help, I'm stuck on this product and can't seem to figure out the answer.\r<BR>\n" );
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document.write( "directions: to simplify the following\r<BR>\n" );
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document.write( "4sqrt 9/8 - 4sqrt 2/9\r<BR>\n" );
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document.write( "the book says that the answer is 1/6 4sqrt 18.  I have came close to this answer yet.\r<BR>\n" );
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document.write( "any help would be helpful please.\r<BR>\n" );
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document.write( "thanks, mike </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #170525 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=170525\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 4sqrt 9/8 - 4sqrt 2/9 <BR>\n" );
document.write( "the book says that the answer is 1/6 4sqrt 18<BR>\n" );
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document.write( "4*(3/2)sqrt(1/2) - (4/3)sqrt(2)<BR>\n" );
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document.write( "(6/2)sqrt(2) - (4/3)sqrt(2)<BR>\n" );
document.write( "---<BR>\n" );
document.write( "(3 - (4/3))sqrt(2)<BR>\n" );
document.write( "--------------------<BR>\n" );
document.write( "(5/3)sqrt(2)<BR>\n" );
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document.write( "Comment: This is not the answer your book has. <BR>\n" );
document.write( "Why?<BR>\n" );
document.write( "4sqrt 9/8 can be interpreted in several ways<BR>\n" );
document.write( "I have interpreted as 4sqrt[(3^2/2^2*2) = 4(3/2)sqrt(1/2 = 6sqrt(2)/2 = 3sqrt(2)<BR>\n" );
document.write( "But that does not result in the answer you have.<BR>\n" );
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document.write( "What to do?<BR>\n" );
document.write( "Use parentheses so the reader can tell exactly what the problem is:<BR>\n" );
document.write( "Is it 4sqrt(9)/8 or is it 4sqrt(9/8)?<BR>\n" );
document.write( "Is it 2 sqrt(9)/2 or is ti 2 sqrt(9/2)?<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. \r<BR>\n" );
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document.write( " </SPAN>\n" );
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