document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=442333>Question 442333</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 18x^3-98x </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #305078 by </B><A HREF=/tutors/aboutme.mpl?userid=swincher4391><B>swincher4391(1107)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=swincher4391><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=swincher4391><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=305078\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Factor out a 2x.\r<BR>\n" );
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document.write( "2x(9x^2 -49)\r<BR>\n" );
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document.write( "Notice 9 and 49 are both perfect squares.\r<BR>\n" );
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document.write( "(3x)^2 = 9x^2 <BR>\n" );
document.write( "7^2 = 49\r<BR>\n" );
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document.write( "Since this is a difference of perfect squares, then 9x^2 - 49 = (3x+7)(3x-7)\r<BR>\n" );
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document.write( "Thus <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x%283x%2B7%29%283x-7%29 ALIGN=MIDDLE  ALT=\"2x%283x%2B7%29%283x-7%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > is your answer. </SPAN>\n" );
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