document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=224459>Question 224459</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Let f(x) = (x – 2)2.  Find x such that f(x) = 25 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #167676 by </B><A HREF=/tutors/aboutme.mpl?userid=chibisan><B>chibisan(131)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=chibisan><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=chibisan><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=167676\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let f(x) = (x – 2)2.  Find x such that f(x) = 25<BR>\n" );
document.write( "since f(x)=25<BR>\n" );
document.write( "(x-2)2 = 25<BR>\n" );
document.write( "2x - 4 = 25<BR>\n" );
document.write( "2x = 21<BR>\n" );
document.write( "x = 21/2\r<BR>\n" );
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document.write( "or maybe u are refering to (x-2)^2?<BR>\n" );
document.write( "(x-2)^2 = 25<BR>\n" );
document.write( "x^2 - 4x + 4 = 25<BR>\n" );
document.write( "x^2 - 4x - 21= 0<BR>\n" );
document.write( "(x+3)(x-7)=0<BR>\n" );
document.write( "x=-3 or x=7\r<BR>\n" );
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document.write( "test:<BR>\n" );
document.write( "f(-3)=(x-2)^2<BR>\n" );
document.write( "25= (-3-2)^2<BR>\n" );
document.write( "25 =25 \r<BR>\n" );
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document.write( "f(-7)= (x-2)^2<BR>\n" );
document.write( "25 = (-7-2)^2<BR>\n" );
document.write( "25 = 81 (x=7 is rejected)\r<BR>\n" );
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document.write( "x=-3 (ans) </SPAN>\n" );
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