document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=143174>Question 143174</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/9781567655858/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> the area of a rectangular parcel of land is 720 sq. meters. the length of the land is 4 meters less than twice the width.<BR>\n" );
document.write( "a. write an equation than can be used to find the dimensions of the land.<BR>\n" );
document.write( "(i think i have this-  720=(2w-4)w)<BR>\n" );
document.write( "b.solve the equation in part a. to find the dimensions of the land<BR>\n" );
document.write( "Note: i already have the answer(l=36,w=20), i just don't know how to solve the equation)  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #104155 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=104155\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a) you have the correct equation\r<BR>\n" );
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document.write( "b)\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=720=%282w-4%29w ALIGN=MIDDLE  ALT=\"720=%282w-4%29w\"   DISABLED_style= \"max-width:90%; height:auto;\" > Start with the given equation\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=720=2w%5E2-4w ALIGN=MIDDLE  ALT=\"720=2w%5E2-4w\"   DISABLED_style= \"max-width:90%; height:auto;\" > Distribute\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0=2w%5E2-4w-720 ALIGN=MIDDLE  ALT=\"0=2w%5E2-4w-720\"   DISABLED_style= \"max-width:90%; height:auto;\" > Distribute\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%28w-20%29%28w%2B18%29=0 ALIGN=MIDDLE  ALT=\"2%28w-20%29%28w%2B18%29=0\"   DISABLED_style= \"max-width:90%; height:auto;\" > Factor the left side (note: if you need help with factoring, check out this <a  rel=nofollow HREF=http://www.algebra.com/algebra/homework/playground/change-this-name4450.solver>solver</a>)\r<BR>\n" );
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document.write( "Now set each factor equal to zero:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w-20=0 ALIGN=MIDDLE  ALT=\"w-20=0\"   DISABLED_style= \"max-width:90%; height:auto;\" > or  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w%2B18=0 ALIGN=MIDDLE  ALT=\"w%2B18=0\"   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=w=20 ALIGN=MIDDLE  ALT=\"w=20\"   DISABLED_style= \"max-width:90%; height:auto;\" > or  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w=-18 ALIGN=MIDDLE  ALT=\"w=-18\"   DISABLED_style= \"max-width:90%; height:auto;\" >    Now solve for w in each case\r<BR>\n" );
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document.write( "So our possible widths are\r<BR>\n" );
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document.write( " <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w=20 ALIGN=MIDDLE  ALT=\"w=20\"   DISABLED_style= \"max-width:90%; height:auto;\" > or  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w=-18 ALIGN=MIDDLE  ALT=\"w=-18\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "However, since a negative width doesn't make sense, this means that the width is \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w=20 ALIGN=MIDDLE  ALT=\"w=20\"   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=L=2w-4 ALIGN=MIDDLE  ALT=\"L=2w-4\"   DISABLED_style= \"max-width:90%; height:auto;\" > Now go back to the length equation\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L=2%2820%29-4 ALIGN=MIDDLE  ALT=\"L=2%2820%29-4\"   DISABLED_style= \"max-width:90%; height:auto;\" > Plug in <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w=20 ALIGN=MIDDLE  ALT=\"w=20\"   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=L=40-4 ALIGN=MIDDLE  ALT=\"L=40-4\"   DISABLED_style= \"max-width:90%; height:auto;\" > Multiply \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L=36 ALIGN=MIDDLE  ALT=\"L=36\"   DISABLED_style= \"max-width:90%; height:auto;\" > Subtract\r<BR>\n" );
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document.write( "So our answers are <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L=36 ALIGN=MIDDLE  ALT=\"L=36\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w=20 ALIGN=MIDDLE  ALT=\"w=20\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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