document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=550665>Question 550665</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need to expand this quadratic equation:\r<BR>\n" );
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document.write( "(3r+8)^2\r<BR>\n" );
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document.write( "I answered 3r^2-+2(8*3)+64 ,but it was counted wrong.\r<BR>\n" );
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document.write( "Could anyone help me? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #358974 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=358974\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%283r%2B8%29%5E2 ALIGN=MIDDLE  ALT=\"%283r%2B8%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > Start with the given expression.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%283r%2B8%29%283r%2B8%29 ALIGN=MIDDLE  ALT=\"%283r%2B8%29%283r%2B8%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Expand. Remember something like <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2=x%2Ax ALIGN=MIDDLE  ALT=\"x%5E2=x%2Ax\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "Now let's FOIL the 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( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28highlight%283r%29%2B8%29%28highlight%283r%29%2B8%29 ALIGN=MIDDLE  ALT=\"%28highlight%283r%29%2B8%29%28highlight%283r%29%2B8%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Multiply the <font color=\"red\">F</font>irst terms:<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%283%2Ar%29%2A%283%2Ar%29=9%2Ar%5E2 ALIGN=MIDDLE  ALT=\"%283%2Ar%29%2A%283%2Ar%29=9%2Ar%5E2\"   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=%28highlight%283r%29%2B8%29%283r%2Bhighlight%288%29%29 ALIGN=MIDDLE  ALT=\"%28highlight%283r%29%2B8%29%283r%2Bhighlight%288%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Multiply the <font color=\"red\">O</font>uter terms:<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%283%2Ar%29%2A%288%29=24%2Ar ALIGN=MIDDLE  ALT=\"%283%2Ar%29%2A%288%29=24%2Ar\"   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=%283r%2Bhighlight%288%29%29%28highlight%283r%29%2B8%29 ALIGN=MIDDLE  ALT=\"%283r%2Bhighlight%288%29%29%28highlight%283r%29%2B8%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Multiply the <font color=\"red\">I</font>nner terms:<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%288%29%2A%283%2Ar%29=24%2Ar ALIGN=MIDDLE  ALT=\"%288%29%2A%283%2Ar%29=24%2Ar\"   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=%283r%2Bhighlight%288%29%29%283r%2Bhighlight%288%29%29 ALIGN=MIDDLE  ALT=\"%283r%2Bhighlight%288%29%29%283r%2Bhighlight%288%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Multiply the <font color=\"red\">L</font>ast terms:<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%288%29%2A%288%29=64 ALIGN=MIDDLE  ALT=\"%288%29%2A%288%29=64\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "---------------------------------------------------\r<BR>\n" );
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document.write( "So we have the terms: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9%2Ar%5E2 ALIGN=MIDDLE  ALT=\"9%2Ar%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=24%2Ar ALIGN=MIDDLE  ALT=\"24%2Ar\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=24%2Ar ALIGN=MIDDLE  ALT=\"24%2Ar\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=64 ALIGN=MIDDLE  ALT=\"64\"   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=9%2Ar%5E2%2B24%2Ar%2B24%2Ar%2B64 ALIGN=MIDDLE  ALT=\"9%2Ar%5E2%2B24%2Ar%2B24%2Ar%2B64\"   DISABLED_style= \"max-width:90%; height:auto;\" > Now add every term listed above 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=9r%5E2%2B48r%2B64 ALIGN=MIDDLE  ALT=\"9r%5E2%2B48r%2B64\"   DISABLED_style= \"max-width:90%; height:auto;\" > Now combine like terms.\r<BR>\n" );
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document.write( "So <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%283r%2B8%29%5E2 ALIGN=MIDDLE  ALT=\"%283r%2B8%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > FOILs to <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9r%5E2%2B48r%2B64 ALIGN=MIDDLE  ALT=\"9r%5E2%2B48r%2B64\"   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=%283r%2B8%29%5E2=9r%5E2%2B48r%2B64 ALIGN=MIDDLE  ALT=\"%283r%2B8%29%5E2=9r%5E2%2B48r%2B64\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
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