document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=259971>Question 259971</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve using quadratic formula. My book says the answer is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2B-+sqrt+%2829%29%2F%284%29 ALIGN=MIDDLE  ALT=\"1%2B-+sqrt+%2829%29%2F%284%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "4x^2-2x-7=0<BR>\n" );
document.write( "x=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-2%2B-+sqrt%28-2%5E2-4%2A4%2A-7%29%29%2F%282%2A4%29 ALIGN=MIDDLE  ALT=\"%28-2%2B-+sqrt%28-2%5E2-4%2A4%2A-7%29%29%2F%282%2A4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2B-sqrt%284%2B112%29%2F%288%29 ALIGN=MIDDLE  ALT=\"2%2B-sqrt%284%2B112%29%2F%288%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2B-sqrt%28116%29%2F%288%29 ALIGN=MIDDLE  ALT=\"2%2B-sqrt%28116%29%2F%288%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "I need help at this point. 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 #191427 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=191427\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve using quadratic formula. My book says the answer is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2B-+sqrt+%2829%29%2F%284%29 ALIGN=MIDDLE  ALT=\"1%2B-+sqrt+%2829%29%2F%284%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "4x^2-2x-7=0<BR>\n" );
document.write( "x=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-2%2B-+sqrt%28-2%5E2-4%2A4%2A-7%29%29%2F%282%2A4%29 ALIGN=MIDDLE  ALT=\"%28-2%2B-+sqrt%28-2%5E2-4%2A4%2A-7%29%29%2F%282%2A4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2B-sqrt%284%2B112%29%2F%288%29 ALIGN=MIDDLE  ALT=\"2%2B-sqrt%284%2B112%29%2F%288%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2B-sqrt%28116%29%2F%288%29 ALIGN=MIDDLE  ALT=\"2%2B-sqrt%28116%29%2F%288%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Note that we can factor to reveal a perfect square inside the radical<BR>\n" );
document.write( "x=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2B-sqrt%284%2A29%29%2F%288%29 ALIGN=MIDDLE  ALT=\"2%2B-sqrt%284%2A29%29%2F%288%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "extract the perfect square<BR>\n" );
document.write( "x=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%282%2B-2%2Asqrt%2829%29%29%2F%288%29 ALIGN=MIDDLE  ALT=\"%282%2B-2%2Asqrt%2829%29%29%2F%288%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "You can cancel both 2's into the 8<BR>\n" );
document.write( "x=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2B-sqrt%2829%29%2F%284%29 ALIGN=MIDDLE  ALT=\"1%2B-sqrt%2829%29%2F%284%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );