document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=671904>Question 671904</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find all zeroes of each equation\r<BR>\n" );
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document.write( "1. x^5-3x^4-15x^3-45x^2-16x+48=0\r<BR>\n" );
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document.write( "2. x^3-x^2-5x-5=0\r<BR>\n" );
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document.write( "3. 7x^2-144=-x^4\r<BR>\n" );
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document.write( "Please help. I've tried figuring them out for hours and I cannot get it. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #417732 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=417732\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1. You need to use a calculator since it's impossible to this by hand.\r<BR>\n" );
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document.write( "2.\r<BR>\n" );
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document.write( "Are you sure it's not \r<BR>\n" );
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document.write( "-x^3-x^2-5x-5=0 \r<BR>\n" );
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document.write( "or\r<BR>\n" );
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document.write( "x^3-x^2-5x+5=0 \r<BR>\n" );
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document.write( "or is it something else entirely?\r<BR>\n" );
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document.write( "3.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7x%5E2-144=-x%5E4 ALIGN=MIDDLE  ALT=\"7x%5E2-144=-x%5E4\"   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%5E4+%2B+7x%5E2-144+=+0 ALIGN=MIDDLE  ALT=\"x%5E4+%2B+7x%5E2-144+=+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=%28x%5E2%29%5E2+%2B+7x%5E2-144+=+0 ALIGN=MIDDLE  ALT=\"%28x%5E2%29%5E2+%2B+7x%5E2-144+=+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=z%5E2+%2B+7z-144+=+0 ALIGN=MIDDLE  ALT=\"z%5E2+%2B+7z-144+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" > Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z=x%5E2 ALIGN=MIDDLE  ALT=\"z=x%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=%28z%2B16%29%28z-9%29+=+0 ALIGN=MIDDLE  ALT=\"%28z%2B16%29%28z-9%29+=+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=z%2B16+=+0 ALIGN=MIDDLE  ALT=\"z%2B16+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z-9+=+0 ALIGN=MIDDLE  ALT=\"z-9+=+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=z=-16 ALIGN=MIDDLE  ALT=\"z=-16\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z=9 ALIGN=MIDDLE  ALT=\"z=9\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "If <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z=9 ALIGN=MIDDLE  ALT=\"z=9\"   DISABLED_style= \"max-width:90%; height:auto;\" >, then...\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z=9 ALIGN=MIDDLE  ALT=\"z=9\"   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%5E2=9 ALIGN=MIDDLE  ALT=\"x%5E2=9\"   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=sqrt%289%29 ALIGN=MIDDLE  ALT=\"x=sqrt%289%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=-sqrt%289%29 ALIGN=MIDDLE  ALT=\"x=-sqrt%289%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=3 ALIGN=MIDDLE  ALT=\"x=3\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <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( "If <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z=-16 ALIGN=MIDDLE  ALT=\"z=-16\"   DISABLED_style= \"max-width:90%; height:auto;\" >, then...\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z=-16 ALIGN=MIDDLE  ALT=\"z=-16\"   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%5E2=-16 ALIGN=MIDDLE  ALT=\"x%5E2=-16\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "but it's impossible for you to multiply a real number by itself to get a negative number. \r<BR>\n" );
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document.write( "So there are NO real numbered solutions in this equation here.\r<BR>\n" );
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document.write( "We can find the complex solutions to get\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2=-16 ALIGN=MIDDLE  ALT=\"x%5E2=-16\"   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=sqrt%28-16%29 ALIGN=MIDDLE  ALT=\"x=sqrt%28-16%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=-sqrt%28-16%29 ALIGN=MIDDLE  ALT=\"x=-sqrt%28-16%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=4i ALIGN=MIDDLE  ALT=\"x=4i\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=-4i ALIGN=MIDDLE  ALT=\"x=-4i\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "So the only real numbered solutions are <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;\" > or <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( "If you want to throw in the complex solutions, then you would add <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=4i ALIGN=MIDDLE  ALT=\"x=4i\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=-4i ALIGN=MIDDLE  ALT=\"x=-4i\"   DISABLED_style= \"max-width:90%; height:auto;\" >, but it will depend on the teacher/book.<BR>\n" );
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