document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=114200>Question 114200</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the product: (3x+0.4)(3x-0.4) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #83121 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=83121\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%283x%2B0.4%29%283x-0.4%29 ALIGN=MIDDLE  ALT=\"%283x%2B0.4%29%283x-0.4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Start with the given expression\r<BR>\n" );
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document.write( "Remember, when you FOIL an expression, you follow this procedure:\r<BR>\n" );
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document.write( "Multiply the First terms:<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%283x%29%2A%283x%29=9x%5E2 ALIGN=MIDDLE  ALT=\"%283x%29%2A%283x%29=9x%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Multiply the Outer terms:<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%283x%29%2A%28-0.4%29=-1.2x ALIGN=MIDDLE  ALT=\"%283x%29%2A%28-0.4%29=-1.2x\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Multiply the Inner terms:<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%280.4%29%2A%283x%29=1.2x ALIGN=MIDDLE  ALT=\"%280.4%29%2A%283x%29=1.2x\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Multiply the Last terms:<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%280.4%29%2A%28-0.4%29=-0.16 ALIGN=MIDDLE  ALT=\"%280.4%29%2A%28-0.4%29=-0.16\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9x%5E2-1.2x%2B1.2x-0.16 ALIGN=MIDDLE  ALT=\"9x%5E2-1.2x%2B1.2x-0.16\"   DISABLED_style= \"max-width:90%; height:auto;\" > Now collect every term to make a single expression\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9x%5E2-0.16 ALIGN=MIDDLE  ALT=\"9x%5E2-0.16\"   DISABLED_style= \"max-width:90%; height:auto;\" > Now combine like terms\r<BR>\n" );
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document.write( "Answer:\r<BR>\n" );
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document.write( "So <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%283x%2B0.4%29%283x-0.4%29 ALIGN=MIDDLE  ALT=\"%283x%2B0.4%29%283x-0.4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > foils and simplifies to  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9x%5E2-0.16 ALIGN=MIDDLE  ALT=\"9x%5E2-0.16\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "In other words, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%283x%2B0.4%29%283x-0.4%29=9x%5E2-0.16 ALIGN=MIDDLE  ALT=\"%283x%2B0.4%29%283x-0.4%29=9x%5E2-0.16\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Notice how  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9x%5E2-0.16 ALIGN=MIDDLE  ALT=\"9x%5E2-0.16\"   DISABLED_style= \"max-width:90%; height:auto;\" > factors back to the original expression <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%283x%2B0.4%29%283x-0.4%29 ALIGN=MIDDLE  ALT=\"%283x%2B0.4%29%283x-0.4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >. So this verifies our answer.\r<BR>\n" );
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