document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=66190>Question 66190</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Write the expression in simplest form:\r<BR>\n" );
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document.write( "4r^2-25s^2<BR>\n" );
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document.write( "2r^2+3rs-20s^2\r<BR>\n" );
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document.write( "I have no idea where to start on this problem. Thank you so much :-) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #47024 by </B><A HREF=/tutors/aboutme.mpl?userid=ptaylor><B>ptaylor(2198)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ptaylor><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=ptaylor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=47024\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Write the expression in simplest form:<BR>\n" );
document.write( "4r^2-25s^2<BR>\n" );
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document.write( "2r^2+3rs-20s^2<BR>\n" );
document.write( "I have no idea where to start on this problem. Thank you so much :-)\r<BR>\n" );
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document.write( "Lets start by factoring the numerator and denominator:\r<BR>\n" );
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document.write( "NUMERATOR:    4r^2-25s^2=(2r-5s)(2r+5s)\r<BR>\n" );
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document.write( "DENOMINATOR:  2r^2+3rs-20s^2=(2r-5s)(r+4s)\r<BR>\n" );
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document.write( "Now we have:\r<BR>\n" );
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document.write( "(2r-5s)(2r+5s)     <BR>\n" );
document.write( "--------------  =  <BR>\n" );
document.write( "(2r-5s)(r+4s)\r<BR>\n" );
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document.write( "2r+5s<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "r+4s\r<BR>\n" );
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document.write( "Hope this helps-----ptaylor </SPAN>\n" );
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