document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=150433>Question 150433</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help solve.\r<BR>\n" );
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document.write( "If the sides of a square are lengthened by 7cm, the area becomes 121 cm^2.  Find the length of a side of the original square.  The length of a side of the original square is ___________cm. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #110378 by </B><A HREF=/tutors/aboutme.mpl?userid=jojo14344><B>jojo14344(1513)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jojo14344><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=110378\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let's make \"x\" = side of the orginal square.<BR>\n" );
document.write( "Since the <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Area ALIGN=MIDDLE  ALT=\"Area\"   DISABLED_style= \"max-width:90%; height:auto;\" > is given when the sides are lengthened by 7cm, we'll use this condition in solving for \"x\". So the sides will be <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2B7 ALIGN=MIDDLE  ALT=\"x%2B7\"   DISABLED_style= \"max-width:90%; height:auto;\" >, and going to our formula for <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Area ALIGN=MIDDLE  ALT=\"Area\"   DISABLED_style= \"max-width:90%; height:auto;\" > of square,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=%28sides%29%5E2 ALIGN=MIDDLE  ALT=\"A=%28sides%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=%28x%2B7%29%5E2 ALIGN=MIDDLE  ALT=\"A=%28x%2B7%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > ---------> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=121cm%5E2=x%5E2%2B14x%2B49 ALIGN=MIDDLE  ALT=\"121cm%5E2=x%5E2%2B14x%2B49\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2%2B14x-72=0 ALIGN=MIDDLE  ALT=\"x%5E2%2B14x-72=0\"   DISABLED_style= \"max-width:90%; height:auto;\" > ------> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%2B18%29%28x-4%29=0 ALIGN=MIDDLE  ALT=\"%28x%2B18%29%28x-4%29=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "2 values,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=-18 ALIGN=MIDDLE  ALT=\"x=-18\"   DISABLED_style= \"max-width:90%; height:auto;\" >, don't use since \"negative\"<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=4cm ALIGN=MIDDLE  ALT=\"x=4cm\"   DISABLED_style= \"max-width:90%; height:auto;\" >, USE THIS  DISABLED_event_ONE=  ORIGINAL LENGTH<BR>\n" );
document.write( "It just makes sense to have this length. Why?<BR>\n" );
document.write( "Simply, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=%28new+sides%29%5E2 ALIGN=MIDDLE  ALT=\"A=%28new+sides%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=121cm%5E2=+%284%2B7%29%5E2 ALIGN=MIDDLE  ALT=\"121cm%5E2=+%284%2B7%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=121cm%5E2=121cm%5E2 ALIGN=MIDDLE  ALT=\"121cm%5E2=121cm%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Thank you,<BR>\n" );
document.write( "Jojo\r<BR>\n" );
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document.write( " </SPAN>\n" );
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