document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1137983>Question 1137983</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I'm at the beginning of college algebra, I have decent experience in algebra yet I have a hard time solving this among quadratic equations: 2(x+4)^2+18=0\r<BR>\n" );
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document.write( "Do I use the distributive property before using the quadratic formula? thanks in advance.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #755848 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=755848\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> This is vertex form, so the vertex is (-h, k), where h is the number in parentheses and k is the constant.  If the vertex is (-4, 18), we know that the minimum is above the x-axis and any roots will be imaginary.<BR>\n" );
document.write( "It is also part of completing the square, which we use to solve:<BR>\n" );
document.write( "to solve<BR>\n" );
document.write( "(x+4)^2=-9<BR>\n" );
document.write( "x+4=+/- 3i,taking square root of both sides <BR>\n" );
document.write( "x=-4+/-3i, are the two roots.<BR>\n" );
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