document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=482954>Question 482954</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is 4 more than the square root of 2x equals x? Please include all work. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #330558 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=330558\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> What is 4 more than the square root of 2x equals x? <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%282x%29 ALIGN=MIDDLE  ALT=\"sqrt%282x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > + 4 = x<BR>\n" );
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document.write( "subtract 4 from both sides<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%282x%29 ALIGN=MIDDLE  ALT=\"sqrt%282x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = x - 4<BR>\n" );
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document.write( "square both sides<BR>\n" );
document.write( "2x = (x-4)^2<BR>\n" );
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document.write( "FOIL (x-4(x-4)<BR>\n" );
document.write( "2x = x^2 - 8x + 16<BR>\n" );
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document.write( "Subtract 2x from both sides<BR>\n" );
document.write( "0 = x^2 - 8x - 2x + 16<BR>\n" );
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document.write( "A quadratic equation<BR>\n" );
document.write( "x^2 - 10x + 16 = 0<BR>\n" );
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document.write( "Factor to<BR>\n" );
document.write( "(x-8)(x-2) = 0<BR>\n" );
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document.write( "Two solutions<BR>\n" );
document.write( "x = 8<BR>\n" );
document.write( "x = 2<BR>\n" );
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document.write( "Check both solutions in original equation<BR>\n" );
document.write( "x=8<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%282%288%29%29 ALIGN=MIDDLE  ALT=\"sqrt%282%288%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > + 4 = 8<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%2816%29 ALIGN=MIDDLE  ALT=\"sqrt%2816%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > + 4 = 8; a good solution<BR>\n" );
document.write( "and<BR>\n" );
document.write( "x=2<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%282%282%29%29 ALIGN=MIDDLE  ALT=\"sqrt%282%282%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > + 4 = 2<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%284%29 ALIGN=MIDDLE  ALT=\"sqrt%284%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > + 4 = 2<BR>\n" );
document.write( "2 + 4 does not = 2, therefore not a good solutions </SPAN>\n" );
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