document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=468507>Question 468507</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve x2 - x + 1<BR>\n" );
document.write( "I tried by using quadratic formula. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #321472 by </B><A HREF=/tutors/aboutme.mpl?userid=algebrahouse.com><B>algebrahouse.com(1659)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=algebrahouse.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=algebrahouse.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=321472\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x² - x + 1 = 0 <BR>\n" );
document.write( "a = 1, b = -1, c = 1 \r<BR>\n" );
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document.write( "-b ± &#8730;(b² - 4ac)<BR>\n" );
document.write( "---------------- = x {the quadratic formula}<BR>\n" );
document.write( "2a\r<BR>\n" );
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document.write( "-(-1) ± &#8730;[(-1)² - 4(1)(1)]<BR>\n" );
document.write( "--------------------------- = x {substituted into quadratic formula}<BR>\n" );
document.write( "2(1)\r<BR>\n" );
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document.write( "1 ± &#8730;(1 - 4)<BR>\n" );
document.write( "------------- = x {simplified}<BR>\n" );
document.write( "2\r<BR>\n" );
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document.write( "1 ± &#8730;-3<BR>\n" );
document.write( "--------- = x {subtracted 1 and -4}\r<BR>\n" );
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document.write( "2\r<BR>\n" );
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document.write( "1 ± &#8730;-1 &#8730;3<BR>\n" );
document.write( "----------- = x {broke the -3 into -1 and 3, because you can't take square root of negative number}<BR>\n" );
document.write( "2\r<BR>\n" );
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document.write( "1 ± i&#8730;3<BR>\n" );
document.write( "-------- = x {using imaginary numbers, the square root of -1 is i}<BR>\n" );
document.write( "2<BR>\n" );
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