document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=147093>Question 147093</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 2x^2-4x-7=0  solve by completing the square </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #107427 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=107427\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x%5E2-4x-7=0+ ALIGN=MIDDLE  ALT=\"2x%5E2-4x-7=0+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Step 1:  Add the constant term to both sides\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x%5E2-4x=7 ALIGN=MIDDLE  ALT=\"2x%5E2-4x=7\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Step 2:  Divide both sides by the lead coefficient\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2-2x=7%2F2 ALIGN=MIDDLE  ALT=\"x%5E2-2x=7%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Step 3:  Divide the coefficient on the 1st degree term by 2 (<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-2%29%2F2 ALIGN=MIDDLE  ALT=\"%28-2%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >), square the result <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-1%29%5E2=1 ALIGN=MIDDLE  ALT=\"%28-1%29%5E2=1\"   DISABLED_style= \"max-width:90%; height:auto;\" >, then add it to both sides\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2-2x%2B1=7%2F2%2B1 ALIGN=MIDDLE  ALT=\"x%5E2-2x%2B1=7%2F2%2B1\"   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=x%5E2-2x%2B1=9%2F2 ALIGN=MIDDLE  ALT=\"x%5E2-2x%2B1=9%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Step 4:  Factor the perfect square on the left\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-1%29%5E2=9%2F2 ALIGN=MIDDLE  ALT=\"%28x-1%29%5E2=9%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Step 5:  Take the square root of both sides\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x-1=sqrt%289%2F2%29 ALIGN=MIDDLE  ALT=\"x-1=sqrt%289%2F2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x-1=-sqrt%289%2F2%29 ALIGN=MIDDLE  ALT=\"x-1=-sqrt%289%2F2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Step 6:  Add the constant term on the left to both sides\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=1%2B-sqrt%289%2F2%29 ALIGN=MIDDLE  ALT=\"x=1%2B-sqrt%289%2F2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Step 7:  Simplify\r<BR>\n" );
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document.write( "(Left as an exercise for the student.  Remember to rationalize your denominator) </SPAN>\n" );
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