document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=404597>Question 404597</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help solve:\r<BR>\n" );
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document.write( "Show all work: The area of a rectangular swimming pool is given by 2x^2+x-10ft^2. One side length of the pool is given by 2x+5 ft. What is an algebric expression for the length of the pool? Simplify and include correct units.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #285932 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20850)</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=285932\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "The area <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A ALIGN=MIDDLE  ALT=\"A\"   DISABLED_style= \"max-width:90%; height:auto;\" > of a rectangular swimming pool is given by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x%5E2%2Bx-10ft%5E2 ALIGN=MIDDLE  ALT=\"2x%5E2%2Bx-10ft%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "so, you have:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A+=+%282x%5E2%2Bx-10%29ft%5E2 ALIGN=MIDDLE  ALT=\"A+=+%282x%5E2%2Bx-10%29ft%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "One side length <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a ALIGN=MIDDLE  ALT=\"a\"   DISABLED_style= \"max-width:90%; height:auto;\" > of the pool is given by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%282x%2B5%29ft ALIGN=MIDDLE  ALT=\"%282x%2B5%29ft\"   DISABLED_style= \"max-width:90%; height:auto;\" >....so, we have \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a+=+%282x%2B5%29ft ALIGN=MIDDLE  ALT=\"a+=+%282x%2B5%29ft\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "What is an algebraic expression for the length of the pool <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b ALIGN=MIDDLE  ALT=\"b\"   DISABLED_style= \"max-width:90%; height:auto;\" >? <BR>\n" );
document.write( "Simplify and include correct units.\r<BR>\n" );
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document.write( "we know that:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A+=+ab ALIGN=MIDDLE  ALT=\"A+=+ab\"   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=b+=+A%2Fa ALIGN=MIDDLE  ALT=\"b+=+A%2Fa\"   DISABLED_style= \"max-width:90%; height:auto;\" >...now substitute <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A+=+%282x%5E2%2Bx-10%29ft%5E2 ALIGN=MIDDLE  ALT=\"A+=+%282x%5E2%2Bx-10%29ft%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a+=+%282x%2B5%29ft ALIGN=MIDDLE  ALT=\"a+=+%282x%2B5%29ft\"   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=b+=+%282x%5E2%2Bx-10%29ft%5E2%2F%282x%2B5%29ft ALIGN=MIDDLE  ALT=\"b+=+%282x%5E2%2Bx-10%29ft%5E2%2F%282x%2B5%29ft\"   DISABLED_style= \"max-width:90%; height:auto;\" >....simplify...replace <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1x ALIGN=MIDDLE  ALT=\"1x\"   DISABLED_style= \"max-width:90%; height:auto;\" > with <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-4x+%2B5x ALIGN=MIDDLE  ALT=\"-4x+%2B5x\"   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=b+=+%282x%5E2+-4x+%2B5x-10%29ft%5Ecross%282%291%2F%282x%2B5%29cross%28ft%29 ALIGN=MIDDLE  ALT=\"b+=+%282x%5E2+-4x+%2B5x-10%29ft%5Ecross%282%291%2F%282x%2B5%29cross%28ft%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >...group\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b+=+%28%282x%5E2+-4x%29+%2B%285x-10%29%29ft%2F%282x%2B5%29 ALIGN=MIDDLE  ALT=\"b+=+%28%282x%5E2+-4x%29+%2B%285x-10%29%29ft%2F%282x%2B5%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=b+=+%282x%28x+-2%29+%2B5%28x-2%29%29ft%2F%282x%2B5%29 ALIGN=MIDDLE  ALT=\"b+=+%282x%28x+-2%29+%2B5%28x-2%29%29ft%2F%282x%2B5%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=b+=+%28%282x%2B5%29%28x-2%29%29ft%2F%282x%2B5%29 ALIGN=MIDDLE  ALT=\"b+=+%28%282x%2B5%29%28x-2%29%29ft%2F%282x%2B5%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=b+=+%28cross%28%282x%2B5%29%29%28x-2%29%29ft%2Fcross%28%282x%2B5%29%29 ALIGN=MIDDLE  ALT=\"b+=+%28cross%28%282x%2B5%29%29%28x-2%29%29ft%2Fcross%28%282x%2B5%29%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=b+=+%28x-2%29ft ALIGN=MIDDLE  ALT=\"b+=+%28x-2%29ft\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " </SPAN>\n" );
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