document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=4625>Question 4625</A>: <I><SPAN STYLE=\"word-break: break-all;\"> x^6+7x^3-8=0   , how do you solve for x, step by step? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #2143 by </B><A HREF=/tutors/aboutme.mpl?userid=longjonsilver><B>longjonsilver(2297)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=longjonsilver><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=longjonsilver><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=2143\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E6%2B7x%5E3-8=0 ALIGN=MIDDLE  ALT=\"x%5E6%2B7x%5E3-8=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >, think of this as a quadratic <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%5E2%2B7y-8=0 ALIGN=MIDDLE  ALT=\"y%5E2%2B7y-8=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >, where<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=x%5E3 ALIGN=MIDDLE  ALT=\"y=x%5E3\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "so, factorise to give (y+8)(y-1)=0, so then we say that either y+8=0 OR y-1=0.\r<BR>\n" );
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document.write( "Hence y=-8 or y=+1\r<BR>\n" );
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document.write( "So, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E3=-8 ALIGN=MIDDLE  ALT=\"x%5E3=-8\"   DISABLED_style= \"max-width:90%; height:auto;\" > OR <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E3=1 ALIGN=MIDDLE  ALT=\"x%5E3=1\"   DISABLED_style= \"max-width:90%; height:auto;\" >, which means that the possible answers are:\r<BR>\n" );
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document.write( "x=-2 or x=+1\r<BR>\n" );
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document.write( "jon<BR>\n" );
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