document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=362560>Question 362560</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Happy Wednesday all, \r<BR>\n" );
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document.write( "I would like to request some help with the problem I have listed below. If you could show me all the steps, so that I know how you found the final answer, that would be great! I am at a loss, and confused too. \r<BR>\n" );
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document.write( "Section 11.4, #3\r<BR>\n" );
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document.write( "Directions: Solve the equation by making an appropriate substitution. \r<BR>\n" );
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document.write( "x-512-16&#8730;(x ) =0\r<BR>\n" );
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document.write( "answer in the book is= 1024 could you help me work it out? thanks!<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #258438 by </B><A HREF=/tutors/aboutme.mpl?userid=HasanSahin><B>HasanSahin(52)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=HasanSahin><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=HasanSahin><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=258438\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Leave the sqrt part alone firstly; \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+16%2Asqrt%28x%29+=+x-512+ ALIGN=MIDDLE  ALT=\"+16%2Asqrt%28x%29+=+x-512+\"   DISABLED_style= \"max-width:90%; height:auto;\" > Take square of both sides so you'll get;\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+256x+=+x%5E2+-1024x+%2B+262144+ ALIGN=MIDDLE  ALT=\"+256x+=+x%5E2+-1024x+%2B+262144+\"   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=+0+=+x%5E2+-1280x+%2B+262144+ ALIGN=MIDDLE  ALT=\"+0+=+x%5E2+-1280x+%2B+262144+\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( " <TR><TD  ALIGN=MIDDLE>Solved by <A  rel=nofollow HREF=http://wiki.algebra.com/index.php/Tutoring_-_pluggable_solvers>pluggable</A> solver: <A  rel=nofollow HREF=quadratic.solver>SOLVE quadratic equation with variable</A></TD></TR>\n" );
document.write( "<TR><TD  ALIGN=LEFT>Quadratic equation <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=ax%5E2%2Bbx%2Bc=0 ALIGN=MIDDLE  ALT=\"ax%5E2%2Bbx%2Bc=0\"   DISABLED_style= \"max-width:90%; height:auto;\" > (in our case <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1x%5E2%2B-1280x%2B262144+=+0 ALIGN=MIDDLE  ALT=\"1x%5E2%2B-1280x%2B262144+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" >) has the following solutons:<BR>\n" );
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document.write( "  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5B12%5D+=+%28b%2B-sqrt%28+b%5E2-4ac+%29%29%2F2%5Ca ALIGN=MIDDLE  ALT=\"x%5B12%5D+=+%28b%2B-sqrt%28+b%5E2-4ac+%29%29%2F2%5Ca\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "  For these solutions to exist, the <U>discriminant</U> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b%5E2-4ac ALIGN=MIDDLE  ALT=\"b%5E2-4ac\"   DISABLED_style= \"max-width:90%; height:auto;\" > should not be a negative number.<BR>\n" );
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document.write( "  First, we need to compute the discriminant <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b%5E2-4ac ALIGN=MIDDLE  ALT=\"b%5E2-4ac\"   DISABLED_style= \"max-width:90%; height:auto;\" >: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b%5E2-4ac=%28-1280%29%5E2-4%2A1%2A262144=589824 ALIGN=MIDDLE  ALT=\"b%5E2-4ac=%28-1280%29%5E2-4%2A1%2A262144=589824\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
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document.write( "  Discriminant d=589824 is greater than zero. That means that there are two solutions: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x%5B12%5D+=+%28--1280%2B-sqrt%28+589824+%29%29%2F2%5Ca ALIGN=MIDDLE  ALT=\"+x%5B12%5D+=+%28--1280%2B-sqrt%28+589824+%29%29%2F2%5Ca\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
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document.write( "    <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5B1%5D+=+%28-%28-1280%29%2Bsqrt%28+589824+%29%29%2F2%5C1+=+1024 ALIGN=MIDDLE  ALT=\"x%5B1%5D+=+%28-%28-1280%29%2Bsqrt%28+589824+%29%29%2F2%5C1+=+1024\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "    <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5B2%5D+=+%28-%28-1280%29-sqrt%28+589824+%29%29%2F2%5C1+=+256 ALIGN=MIDDLE  ALT=\"x%5B2%5D+=+%28-%28-1280%29-sqrt%28+589824+%29%29%2F2%5C1+=+256\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "    Quadratic expression <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1x%5E2%2B-1280x%2B262144 ALIGN=MIDDLE  ALT=\"1x%5E2%2B-1280x%2B262144\"   DISABLED_style= \"max-width:90%; height:auto;\" > can be factored:<BR>\n" );
document.write( "  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1x%5E2%2B-1280x%2B262144+=+1%28x-1024%29%2A%28x-256%29 ALIGN=MIDDLE  ALT=\"1x%5E2%2B-1280x%2B262144+=+1%28x-1024%29%2A%28x-256%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "  Again, the answer is: 1024, 256.\n" );
document.write( "Here's your graph:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28+500%2C+500%2C+-10%2C+10%2C+-20%2C+20%2C+1%2Ax%5E2%2B-1280%2Ax%2B262144+%29 ALIGN=MIDDLE  ALT=\"graph%28+500%2C+500%2C+-10%2C+10%2C+-20%2C+20%2C+1%2Ax%5E2%2B-1280%2Ax%2B262144+%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ></TD></TR>\n" );
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