document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1107694>Question 1107694</A>: <I><SPAN STYLE=\"word-break: break-all;\"> for the function f(x)-=x^2-2x+10+8  <BR>\n" );
document.write( "find all values x for which f(x)=13  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #722709 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=722709\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> for the function f(x)-=x^2-2x+10+8 <BR>\n" );
document.write( "find all values x for which f(x)=13 <BR>\n" );
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document.write( "Solve x^2-2x+10+8 = 13<BR>\n" );
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document.write( "x^2-2x+5 = 0<BR>\n" );
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document.write( "x = [2+-sqrt(4-4*5)]/2<BR>\n" );
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document.write( "x = [2+-sqrt(-16)]/2<BR>\n" );
document.write( "----<BR>\n" );
document.write( "x = [2+-4i]/2<BR>\n" );
document.write( "x = 1+2i or x = 1-2i<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( "</TD></TR></TABLE>\n" );