document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1127460>Question 1127460</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If f(x) = x^2 &#8722; 4x &#8722; 17and f(c) = 4,find c. (Enter your answers as a comma-separated list.)  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #743872 by </B><A HREF=/tutors/aboutme.mpl?userid=FrankM><B>FrankM(1040)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=FrankM><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=FrankM><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=743872\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> This means 4 = x^2 &#8722; 4x &#8722; 17 and that you need to solve for x\r<BR>\n" );
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document.write( "subtract 4 from both sides.\r<BR>\n" );
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document.write( "x^2 &#8722; 4x &#8722; 21 = 0\r<BR>\n" );
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document.write( "factor\r<BR>\n" );
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document.write( "(x-7)(x+3) =0\r<BR>\n" );
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document.write( "x=7 x=-3\r<BR>\n" );
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document.write( "-3,7 </SPAN>\n" );
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