document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=45324>Question 45324</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0321168305/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Use quadratic formula to solve for equation\r<BR>\n" );
document.write( "\n" );
document.write( "z(2z+3)=-2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #30111 by </B><A HREF=/tutors/aboutme.mpl?userid=fractalier><B>fractalier(6550)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fractalier><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=fractalier><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=30111\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Okay, from<BR>\n" );
document.write( "z(2z+3) = -2<BR>\n" );
document.write( "we get<BR>\n" );
document.write( "2z^2 + 3z = -2<BR>\n" );
document.write( "2z^2 + 3z + 2 = 0<BR>\n" );
document.write( "now apply the quadratic formula and get<BR>\n" );
document.write( "z = (-3 ± sqrt(9 - 16)) / 4<BR>\n" );
document.write( "z = (-3 ± sqrt(-7)) / 4<BR>\n" );
document.write( "z = (-3 ± i*sqrt(7)) / 4 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );