document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=246648>Question 246648</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Let f(x) = x2 - 20x + 100. Find x so that f(x) = 64\r<BR>\n" );
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document.write( "I am completely lost. This is what I did so far. But I know i am wrong.\r<BR>\n" );
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document.write( "a=1 b=-20 x=100\r<BR>\n" );
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document.write( "x= {-20 +/- sq rt (400-400)}/2<BR>\n" );
document.write( "x= {-20 +/- sq rt 0}/2<BR>\n" );
document.write( "x= 10 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #180073 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=180073\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let f(x) = x2 - 20x + 100<BR>\n" );
document.write( "f(64)=64^2-20*64+100<BR>\n" );
document.write( "F(64)=4,096-1,280+100<BR>\n" );
document.write( "F(64)=2,916 ANS. </SPAN>\n" );
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