document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=772794>Question 772794</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find all solutions, real and imaginary, of the equation: 4t^4 - 13t^2 = 12 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #471119 by </B><A HREF=/tutors/aboutme.mpl?userid=htmentor><B>htmentor(1343)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=htmentor><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=htmentor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=471119\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 4t^4 - 13t^2 - 12 = 0<BR>\n" );
document.write( "The expression can be factored as (4t^2+3)(t^2-4) = 0<BR>\n" );
document.write( "This gives t^2-4 = 0 and 4t^2+3 = 0<BR>\n" );
document.write( "t^2 = 4 -> t = 2 and -2<BR>\n" );
document.write( "t^2 = -3/4 -> t = sqrt(-3/4) and -sqrt(-3/4) = sqrt(3/4)i and -sqrt(3/4)i </SPAN>\n" );
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