document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=743024>Question 743024</A>: <I><SPAN STYLE=\"word-break: break-all;\"> (2x-1)(x+1)=4<BR>\n" );
document.write( "Solve quadtic formula </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #452737 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=452737\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (2x-1)(x+1)=4<BR>\n" );
document.write( "2x^2 + 2x -x -1 = 4<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "2x^2 +x -5 = 0<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "x = [-1 +- sqrt(1-4*2*-5)]/4<BR>\n" );
document.write( "------<BR>\n" );
document.write( "x = [-1 +- sqrt(41)]/4<BR>\n" );
document.write( "===========================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "============== </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );