document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=981935>Question 981935</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A rectangular playground is 420 sq.m. If its length is increases by 7m and breadth is decreased by 5 meters, the area remains the same. Find the length and breadth of the playground? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #602908 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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/cgi-bin/show-face.mpl?user=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=602908\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let length be x\r<BR>\n" );
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document.write( "area = l*b\r<BR>\n" );
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document.write( "breadth = 420/x\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%2B7%29%28%28420%2Fx%29-5%29%29=420%7D%7D%0D%0A%0D%0ASimplify%0D%0A%0D%0A%7B%7B%7B%28x%2B7%29%28%28420-5x%29%2Fx%29+=420 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "(x+7)(420-5x) = 420x\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=420x-5x%5E2%2B420%2A7-35x=420x ALIGN=MIDDLE  ALT=\"420x-5x%5E2%2B420%2A7-35x=420x\"   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=-5x%5E2-35x%2B420%2A7=0 ALIGN=MIDDLE  ALT=\"-5x%5E2-35x%2B420%2A7=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "/-5\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2%2B7x-588=0 ALIGN=MIDDLE  ALT=\"x%5E2%2B7x-588=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "(x-28)(x+21)=0\r<BR>\n" );
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document.write( "x=28 OR -21\r<BR>\n" );
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document.write( "length = 28m & breadth = 21 m\r<BR>\n" );
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document.write( " </SPAN>\n" );
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