document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1119010>Question 1119010</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A rectangle has an area of 2x^2 + 2x - 112.<BR>\n" );
document.write( "a) If one side is (x -7) cm, show that the perimeter is 6(x +3)cm. <BR>\n" );
document.write( "b) Hence or otherwise, find the range of possible values for x </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #734445 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=734445\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ----------------------------------------------------------------------<BR>\n" );
document.write( "A rectangle has an area of 2x^2 + 2x - 112.<BR>\n" );
document.write( "a) If one side is (x -7) cm, show that the perimeter is 6(x +3)cm. <BR>\n" );
document.write( "b) Hence or otherwise, find the range of possible values for x<BR>\n" );
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document.write( "(b)<BR>\n" );
document.write( "Range?  Possible x values -  first find the roots....<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x%5E2%2B2x-112=0 ALIGN=MIDDLE  ALT=\"2x%5E2%2B2x-112=0\"   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%2Bx-56=0 ALIGN=MIDDLE  ALT=\"x%5E2%2Bx-56=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-7%29%28x%2B8%29=0 ALIGN=MIDDLE  ALT=\"%28x-7%29%28x%2B8%29=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Only positive factors allowed.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28x%3E7%29 ALIGN=MIDDLE  ALT=\"highlight_green%28x%3E7%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
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document.write( "(a)<BR>\n" );
document.write( "The other side is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%282x%5E2%2B2x-112%29%2F%28x-7%29=2x%2B16 ALIGN=MIDDLE  ALT=\"%282x%5E2%2B2x-112%29%2F%28x-7%29=2x%2B16\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
document.write( "\n" );
document.write( "Perimetr:  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%282x%2B16%29%2B2%28x-7%29 ALIGN=MIDDLE  ALT=\"2%282x%2B16%29%2B2%28x-7%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4x%2B32%2B2x-14 ALIGN=MIDDLE  ALT=\"4x%2B32%2B2x-14\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6x%2B18 ALIGN=MIDDLE  ALT=\"6x%2B18\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6%28x%2B3%29 ALIGN=MIDDLE  ALT=\"6%28x%2B3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );