document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=663128>Question 663128</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a rectangle 15 cm by 30 cm is increased on all sides by the same amount. its area increased by 144cm2. by how much is each dimension increased? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #412715 by </B><A HREF=/tutors/aboutme.mpl?userid=larrypizzu+><B>larrypizzu (5)</B></A><img src=\"/images/stars/iconNewId_16x16.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=larrypizzu+><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=412715\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Note:<BR>\n" );
document.write( "Area of a rectangle = L * B<BR>\n" );
document.write( "Initial area before increment=30cm*15cm=450sqcm<BR>\n" );
document.write( "New dimension is (x+30)cm by (x+15)cm<BR>\n" );
document.write( "(X+30)(X+15)=450+144<BR>\n" );
document.write( "X^2+45X+450=594<BR>\n" );
document.write( "X^+45X-144=0<BR>\n" );
document.write( "(X-3)(X+28)=0<BR>\n" );
document.write( "X=3 or -28<BR>\n" );
document.write( "Since it is distance our answer will be the positive value.<BR>\n" );
document.write( "Answer=3cm </SPAN>\n" );
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