document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=421872>Question 421872</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me to solve this problem  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%5E2+=x%5E2+-+4x+%2B+3 ALIGN=MIDDLE  ALT=\"y%5E2+=x%5E2+-+4x+%2B+3\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #294521 by </B><A HREF=/tutors/aboutme.mpl?userid=Gogonati><B>Gogonati(855)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Gogonati><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=Gogonati><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=294521\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "  We can make some transformations at initial equation: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%5E2=x%5E2-4x%2B3 ALIGN=MIDDLE  ALT=\"y%5E2=x%5E2-4x%2B3\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "   Add <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4-y%5E2 ALIGN=MIDDLE  ALT=\"4-y%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > on both sides of equation.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%5E2%2B4-y%5E2=x%5E2-4x%2B3%2B4-y%5E2 ALIGN=MIDDLE  ALT=\"y%5E2%2B4-y%5E2=x%5E2-4x%2B3%2B4-y%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "   <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-2%29%5E2-y%5E2=1 ALIGN=MIDDLE  ALT=\"%28x-2%29%5E2-y%5E2=1\"   DISABLED_style= \"max-width:90%; height:auto;\" > The final equation is the equation of hyperbola with center\r<BR>\n" );
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document.write( "the point (2,0).\r<BR>\n" );
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