document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=189435>Question 189435</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the length of a rectangle is 3 m less than five times the width .<BR>\n" );
document.write( "the area of the rectangle is 36 m^2 find the dimensions<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #142121 by </B><A HREF=/tutors/aboutme.mpl?userid=jojo14344><B>jojo14344(1513)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jojo14344><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=142121\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Tahoma\" size=1.5><BR>\n" );
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document.write( "We know for rectangle,<font color=blue> Area = Length x Width</font>\r<BR>\n" );
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document.write( "Given:<BR>\n" );
document.write( "Width = <font color=blue>x</font><BR>\n" );
document.write( "Length = <font color=blue>5x-3</font>, 3 meters less than 5 times width<BR>\n" );
document.write( "Area = <font color=blue> 36 sq m</font>\r<BR>\n" );
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document.write( "Then, <BR>\n" );
document.write( "36 = (5x-3)(x)<BR>\n" );
document.write( "36 = 5x^2 - 3x<BR>\n" );
document.write( "5x^2 - 3x -36 =0<BR>\n" );
document.write( "Remember:<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28a=5%2Cb=%28-3%29%2Cc=%28-36%29%29 ALIGN=MIDDLE  ALT=\"system%28a=5%2Cb=%28-3%29%2Cc=%28-36%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "By Quadratic,<BR>\n" );
document.write( "Discriminant: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b%5E2-4ac=-3%5E2-4%285%29%28-36%29=9%2B720=red%28729%29 ALIGN=MIDDLE  ALT=\"b%5E2-4ac=-3%5E2-4%285%29%28-36%29=9%2B720=red%28729%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Then,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=%28-%28-3%29%2B-sqrt%28729%29%29%2F%282%2A5%29=%283%2B-27%29%2F10 ALIGN=MIDDLE  ALT=\"x=%28-%28-3%29%2B-sqrt%28729%29%29%2F%282%2A5%29=%283%2B-27%29%2F10\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=%283%2B27%29%2F10=30%2F10=red%283meters%29 ALIGN=MIDDLE  ALT=\"x=%283%2B27%29%2F10=30%2F10=red%283meters%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=%283-27%29%2F10=-24%2F10=-2.4 ALIGN=MIDDLE  ALT=\"x=%283-27%29%2F10=-24%2F10=-2.4\"   DISABLED_style= \"max-width:90%; height:auto;\" >, discard\r<BR>\n" );
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document.write( "So, Width=<font color=blue>3 meters</font><BR>\n" );
document.write( "Length = 5(3)-3 = 15-3 = <font color=blue>12 meters</font>\r<BR>\n" );
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document.write( "Let's check,<BR>\n" );
document.write( "A = L x W<BR>\n" );
document.write( "36sq m = 12 x 3<BR>\n" );
document.write( "36sq.m. = 36 sq. m.\r<BR>\n" );
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document.write( "Thank you,<BR>\n" );
document.write( "Jojo<font>\r<BR>\n" );
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