document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=411267>Question 411267</A>: <I><SPAN STYLE=\"word-break: break-all;\"> hi, the length of a rectangle is 6 more than its witdth, the area is 72 cm^2, find the height.\r<BR>\n" );
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document.write( "i did 1/2*b*h....<BR>\n" );
document.write( "1/2(b2+4B)=30<BR>\n" );
document.write( "b2+4b=60<BR>\n" );
document.write( "b2+4b-60=0\r<BR>\n" );
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document.write( "b-6  b+10\r<BR>\n" );
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document.write( "b=6  b+-10\r<BR>\n" );
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document.write( "is the answer 6 , i am having a hard time confirmting this answer.\r<BR>\n" );
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document.write( "thank you in advance for your help </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #289135 by </B><A HREF=/tutors/aboutme.mpl?userid=sudhanshu_kmr><B>sudhanshu_kmr(1152)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=sudhanshu_kmr><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=sudhanshu_kmr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=289135\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "what r u doing?  what is 1/2*b*h ....?????????\r<BR>\n" );
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document.write( "how to find height in rectangle??\r<BR>\n" );
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document.write( "Let width = x cm , length = 6+x cm \r<BR>\n" );
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document.write( "now, area = length * width\r<BR>\n" );
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document.write( "=> 72 = x(6+x)\r<BR>\n" );
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document.write( "=> 72 = x^2 + 6x \r<BR>\n" );
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document.write( "=> x^2 +6x - 72 = 0\r<BR>\n" );
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document.write( "=> x^2 + 12x -6x - 72 = 0\r<BR>\n" );
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document.write( "=> x(x+12)-6(x+12) = 0\r<BR>\n" );
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document.write( "=> (x-6)(x+12) = 0\r<BR>\n" );
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document.write( "so, x= 6, -12 \r<BR>\n" );
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document.write( "only x = 6cm is possible.....<BR>\n" );
document.write( "  <BR>\n" );
document.write( "width = 6 cm, length = 12 cm \r<BR>\n" );
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document.write( " </SPAN>\n" );
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