document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1118618>Question 1118618</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Linda maintains the garden at her home. In the summer she plans to build a walkways through the garden. The area of the walkway, A, in square metres is given by A=90x+3x^2    where x is the width of the walkway in metres. If the area of the walkway must be 3000m^2   determine the width, explain.\r<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 #733985 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=733985\">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=90x%2B3x%5E2=3000 ALIGN=MIDDLE  ALT=\"90x%2B3x%5E2=3000\"   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=x%2890%2B3x%29=3000 ALIGN=MIDDLE  ALT=\"x%2890%2B3x%29=3000\"   DISABLED_style= \"max-width:90%; height:auto;\" >,  width being x, and length being  3x+90\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2830%2Bx%29=1000 ALIGN=MIDDLE  ALT=\"x%2830%2Bx%29=1000\"   DISABLED_style= \"max-width:90%; height:auto;\" >------find maybe two wholenumber factors differing by 30?\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1000=100%2A10=4%2A25%2A10=4%2A25%2A2%2A5=40%2A25=20%2A50 ALIGN=MIDDLE  ALT=\"1000=100%2A10=4%2A25%2A10=4%2A25%2A2%2A5=40%2A25=20%2A50\"   DISABLED_style= \"max-width:90%; height:auto;\" >-------last two differ by 30;\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2%2B30x-1000=0 ALIGN=MIDDLE  ALT=\"x%5E2%2B30x-1000=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-20%29%28x%2B50%29=0 ALIGN=MIDDLE  ALT=\"%28x-20%29%28x%2B50%29=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28x=20%29 ALIGN=MIDDLE  ALT=\"highlight%28x=20%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >-------width<BR>\n" );
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document.write( "Length, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x%2B90 ALIGN=MIDDLE  ALT=\"3x%2B90\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%2A20%2B90 ALIGN=MIDDLE  ALT=\"3%2A20%2B90\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28150%29 ALIGN=MIDDLE  ALT=\"highlight%28150%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >---------length\r<BR>\n" );
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document.write( "Otherwise general solution for quadratic equation:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2%2B30x-1000=0 ALIGN=MIDDLE  ALT=\"x%5E2%2B30x-1000=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=%28-30%2Bsqrt%28900%2B4000%29%29%2F2 ALIGN=MIDDLE  ALT=\"x=%28-30%2Bsqrt%28900%2B4000%29%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=%28-30%2Bsqrt%284900%29%29%2F2 ALIGN=MIDDLE  ALT=\"x=%28-30%2Bsqrt%284900%29%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=%28-30%2B70%29%2F2 ALIGN=MIDDLE  ALT=\"x=%28-30%2B70%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=40%2F2 ALIGN=MIDDLE  ALT=\"x=40%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=20 ALIGN=MIDDLE  ALT=\"x=20\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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