document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=463216>Question 463216</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If the side length of a square can be represented by 2x + 10 and its area is 256 square units, find the value of x. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #317401 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20849)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=317401\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \r<BR>\n" );
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document.write( "If the side length of a square can be represented by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x+%2B+10 ALIGN=MIDDLE  ALT=\"2x+%2B+10\"   DISABLED_style= \"max-width:90%; height:auto;\" > and its area is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=256units%5E2 ALIGN=MIDDLE  ALT=\"256units%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >, find the value of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x ALIGN=MIDDLE  ALT=\"x\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "the area is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%282x+%2B+10%29%282x+%2B+10%29=256units%5E2 ALIGN=MIDDLE  ALT=\"%282x+%2B+10%29%282x+%2B+10%29=256units%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4x%5E2%2B20x%2B20x+%2B+100=256units%5E2 ALIGN=MIDDLE  ALT=\"4x%5E2%2B20x%2B20x+%2B+100=256units%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4x%5E2%2B40x+%2B+100-256units%5E2=0 ALIGN=MIDDLE  ALT=\"4x%5E2%2B40x+%2B+100-256units%5E2=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4x%5E2%2B40x-156units%5E2=0 ALIGN=MIDDLE  ALT=\"4x%5E2%2B40x-156units%5E2=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >...use quadratic formula\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+ ALIGN=MIDDLE  ALT=\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-40+%2B-+sqrt%28+40%5E2-4%2A4%2A%28-156%29+%29%29%2F%282%2A4%29+ ALIGN=MIDDLE  ALT=\"x+=+%28-40+%2B-+sqrt%28+40%5E2-4%2A4%2A%28-156%29+%29%29%2F%282%2A4%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-40+%2B-+sqrt%28+1600%2B2496%29%29%2F8+ ALIGN=MIDDLE  ALT=\"x+=+%28-40+%2B-+sqrt%28+1600%2B2496%29%29%2F8+\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-40+%2B-+sqrt%28+4096%29%29%2F8+ ALIGN=MIDDLE  ALT=\"x+=+%28-40+%2B-+sqrt%28+4096%29%29%2F8+\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-40+%2B-+64%29%2F8+ ALIGN=MIDDLE  ALT=\"x+=+%28-40+%2B-+64%29%2F8+\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "use only positive solution because the length cannot be negative\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-40+%2B+64%29%2F8+ ALIGN=MIDDLE  ALT=\"x+=+%28-40+%2B+64%29%2F8+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+24%2F8+ ALIGN=MIDDLE  ALT=\"x+=+24%2F8+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+3+ ALIGN=MIDDLE  ALT=\"x+=+3+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "so, the length is: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x+%2B+10 ALIGN=MIDDLE  ALT=\"2x+%2B+10\"   DISABLED_style= \"max-width:90%; height:auto;\" > ....->...<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2A3+%2B+10=6%2B10=16units ALIGN=MIDDLE  ALT=\"2%2A3+%2B+10=6%2B10=16units\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "the area is<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=16units%2A16units=256units%5E2 ALIGN=MIDDLE  ALT=\"16units%2A16units=256units%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " </SPAN>\n" );
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