document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=806132>Question 806132</A>: <I><SPAN STYLE=\"word-break: break-all;\"> please help me to solve this question:the length of a rectangle is twice its breath. if its length is decreased by 5cm and breadth is increased by 5cm, the area of rectangle is increased by 75 square cm. therefore, what is the length of rectangle? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #485705 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=485705\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Breadth-----x cm<BR>\n" );
document.write( "length-----2x cm\r<BR>\n" );
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document.write( "Area = 2x^2\r<BR>\n" );
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document.write( "length & breadth increased by 5\r<BR>\n" );
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document.write( "breadth = x+5<BR>\n" );
document.write( "length = 2x+5\r<BR>\n" );
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document.write( "Area = (x+5)(2x-5)\r<BR>\n" );
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document.write( "Area increased by 75 cm^2\r<BR>\n" );
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document.write( "(x+5)(2x-5)-2x^2= 75\r<BR>\n" );
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document.write( "2x^2-5x+10x-25-2x^2=75\r<BR>\n" );
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document.write( "5x-25=75\r<BR>\n" );
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document.write( "5x=100\r<BR>\n" );
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document.write( "x=20\r<BR>\n" );
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document.write( "breadth = 20cm<BR>\n" );
document.write( "length = 20*2=40 cm </SPAN>\n" );
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