document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=339673>Question 339673</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1)<BR>\n" );
document.write( "Solve by factoring and using the principle of zero products.<BR>\n" );
document.write( "x2 + 9x = 0 \r<BR>\n" );
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document.write( "2)<BR>\n" );
document.write( "Factor completely.<BR>\n" );
document.write( "x2 - 50xy + 625y2 \r<BR>\n" );
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document.write( "3)<BR>\n" );
document.write( " Factor completely.<BR>\n" );
document.write( "3x3 + 24x2 + 48x \r<BR>\n" );
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document.write( "4)<BR>\n" );
document.write( "Factor completely.<BR>\n" );
document.write( "x4 - 24x2 - 25 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #243319 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=243319\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1) Solve by factoring and using the principle of zero products.<BR>\n" );
document.write( "x2 + 9x = 0<BR>\n" );
document.write( "Hint:  both terms have a factor of x<BR>\n" );
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document.write( "2) Factor completely.<BR>\n" );
document.write( "x2 - 50xy + 625y2<BR>\n" );
document.write( "Hint:  the 1st and last terms are squares.<BR>\n" );
document.write( "3) Factor completely.<BR>\n" );
document.write( "3x3 + 24x2 + 48x<BR>\n" );
document.write( "Factor out a 3x.  Then the 1st and last terms are squares.<BR>\n" );
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document.write( "4) Factor completely.<BR>\n" );
document.write( "x4 - 24x2 - 25<BR>\n" );
document.write( "It will be (x^2 + a)*(x^2 + b)<BR>\n" );
document.write( "ab = -25, so the signs are different.<BR>\n" );
document.write( "a+b = -24\r<BR>\n" );
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document.write( " </SPAN>\n" );
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