document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=647901>Question 647901</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me simply the expression:\r<BR>\n" );
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document.write( "(12x^2y/3z^4)(-21x^2z^3/12y^2)\r<BR>\n" );
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document.write( "I need to know the steps and answer.  Please help! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #406447 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=406447\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> simplify the expression: <BR>\n" );
document.write( "(12x^2y/3z^4)(-21x^2z^3/12y^2)<BR>\n" );
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document.write( "1st: Simplify each fraction by canceling common factors:<BR>\n" );
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document.write( "= (4x^2y/z^4)(-7x^2z^3/4y^2) <BR>\n" );
document.write( "2nd Cancel any factor common to a numerator and a denominator:<BR>\n" );
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document.write( "= (1*x^2*1/z)(-7*x^2*1/(1*y)<BR>\n" );
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document.write( "= (-7x^4)/(yz)<BR>\n" );
document.write( "====================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "====================<BR>\n" );
document.write( " </SPAN>\n" );
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