document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=282108>Question 282108</A>: <I><SPAN STYLE=\"word-break: break-all;\"> -4r squared + 100s squared   How do you factor this polynomial\r<BR>\n" );
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document.write( "Is the answer -4(r-5)(r-5s) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #204862 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=204862\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> This is a difference of squares<BR>\n" );
document.write( "a^2-b^2=(a+b)*(a-b)<BR>\n" );
document.write( "-4r^2+100s^2<BR>\n" );
document.write( "lets turn it around<BR>\n" );
document.write( "100s^2-4r^2<BR>\n" );
document.write( "(10s-2r)(10s+2r)<BR>\n" );
document.write( "we could also factor out the 4<BR>\n" );
document.write( "4*(25s^2-r^2)<BR>\n" );
document.write( "4*(5s-r)*(5s+r)<BR>\n" );
document.write( "or<BR>\n" );
document.write( "in its original form<BR>\n" );
document.write( "-4 (r-5s) (r+5s)<BR>\n" );
document.write( "you forgot one of the s's\r<BR>\n" );
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document.write( "so we have several forms<BR>\n" );
document.write( "(10s-2r)(10s+2r)<BR>\n" );
document.write( "4*(5s-r)*(5s+r)<BR>\n" );
document.write( "-4 (r-5s) (r+5s)<BR>\n" );
document.write( "all produce the same when foiled<BR>\n" );
document.write( " </SPAN>\n" );
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