document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=788639>Question 788639</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the x intercept of these parabola by completing the square <BR>\n" );
document.write( "a)y=x^2-4x+1<BR>\n" );
document.write( "b)y=2x^2-12x-7\r<BR>\n" );
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document.write( "Can you please help me out? Thanks so much in advance:)<BR>\n" );
document.write( "Can you please show all the steps it would really help me understand better thank you:) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #478566 by </B><A HREF=/tutors/aboutme.mpl?userid=waynest><B>waynest(281)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=waynest><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=478566\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  x^2 -4x + 1<BR>\n" );
document.write( " x^2 -4x + (-4/2)^2 - (-4/2)^2 + 1<BR>\n" );
document.write( " x^2 -4x + 4 - 4 + 1<BR>\n" );
document.write( "(x - 2)^2 - 3<BR>\n" );
document.write( "(x - 2)^2 = 3<BR>\n" );
document.write( "sqrt(x - 2)^2 = +-sqrt3<BR>\n" );
document.write( "x - 2 = +- sqrt3<BR>\n" );
document.write( "x = 2+- sqrt3\r<BR>\n" );
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document.write( "x = 2+ sqrt 3<BR>\n" );
document.write( "x = 3.73\r<BR>\n" );
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document.write( "x = 2 - sqrt3<BR>\n" );
document.write( "x = 0.27\r<BR>\n" );
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document.write( "2x^2 -12x -7<BR>\n" );
document.write( "divide by 2<BR>\n" );
document.write( "x^2 - 6x -3.5<BR>\n" );
document.write( "x^2 - 6x + (-6/2)^2 - (-6/2)^2 - 3.5<BR>\n" );
document.write( "x^2 - 6x + 9 -9 -3.5<BR>\n" );
document.write( "(x - 3)^2 -12.5 = 0<BR>\n" );
document.write( "(x - 3)^2 = 12.5<BR>\n" );
document.write( "sqrt(x - 3)^2 = +-sqrt12.5<BR>\n" );
document.write( "x - 3 = +- sqrt12.5<BR>\n" );
document.write( "x = 3 +- sqrt12.5\r<BR>\n" );
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document.write( "x = 3 + sqrt12.5<BR>\n" );
document.write( "x = 6.54\r<BR>\n" );
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document.write( "x = 3 - sqrt12.5<BR>\n" );
document.write( "x = -0.54<BR>\n" );
document.write( " </SPAN>\n" );
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