document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=540495>Question 540495</A>: <I><SPAN STYLE=\"word-break: break-all;\"> This was my innitial problem;<BR>\n" );
document.write( "\"The are of a rectangle is 165 ft^2. The Length is 4 ft greater than the width. Find the dimensions of the rectangle.\"\r<BR>\n" );
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document.write( "This my question;\r<BR>\n" );
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document.write( "After you simplify the word problem into a Quadratic Equation (the process below)..\r<BR>\n" );
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document.write( "W*L=165, L=W+4<BR>\n" );
document.write( "W(W+4)=165<BR>\n" );
document.write( "W^2+4W-165=0\r<BR>\n" );
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document.write( "How do you find this next part;\r<BR>\n" );
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document.write( "(W-11)(W+15)=0<BR>\n" );
document.write( "W-11=0\r<BR>\n" );
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document.write( "How did the tutor figure 11 and 15? Is it because of the factoring? Perfect squares? Please help.\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #353729 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=353729\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> width = x<BR>\n" );
document.write( "length = x+4\r<BR>\n" );
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document.write( "x(x+4)=165<BR>\n" );
document.write( "x^2+4x-165=0\r<BR>\n" );
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document.write( "Split the middle term such that when you add the split terms you get -4<BR>\n" );
document.write( "and when you multiply you get -165<BR>\n" );
document.write( "Take the prime factors of 165<BR>\n" );
document.write( "3*5*11\r<BR>\n" );
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document.write( "3*5 = 15 <BR>\n" );
document.write( "you need 4\r<BR>\n" );
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document.write( "+15-11=-4\r<BR>\n" );
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document.write( "x^2+15x-11x-165=0<BR>\n" );
document.write( "x(x+15)-11(x+15)=0<BR>\n" );
document.write( "(x+15)(x-11)=0<BR>\n" );
document.write( "take the positive value since width cannot be negative\r<BR>\n" );
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document.write( "x=11  <BR>\n" );
document.write( "length= 11+4=15\r<BR>\n" );
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document.write( "Thats how your teacher got 11 & 15\r<BR>\n" );
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document.write( "m.ananth@hotmail.ca </SPAN>\n" );
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