document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=29688>Question 29688</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve this equation<BR>\n" );
document.write( "x^4 + 12x^2 -64 = 0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #16394 by </B><A HREF=/tutors/aboutme.mpl?userid=ikdeep><B>ikdeep(226)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikdeep><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=ikdeep><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=16394\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x^4 + 12x^2 -64 = 0<BR>\n" );
document.write( "(here you must know how we make factors i.e splitting of the middle term...if you might not know then please contact me again ,,and i will explain to you)...\r<BR>\n" );
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document.write( "x^4 + (16-4)x^2 -64 = 0 ...by solving brackets..we get\r<BR>\n" );
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document.write( "x^4 +16x^2  -4x^2 -64 = 0\r<BR>\n" );
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document.write( "taking common from first two and last two variables...we get\r<BR>\n" );
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document.write( "x^2(x^2 +16)  -4 (x^2 +16)= 0 \r<BR>\n" );
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document.write( "or  (x^2-4) (x^2 +16) =0 \r<BR>\n" );
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document.write( "Here further factorization can be possible,,,\r<BR>\n" );
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document.write( "or [(x)^2 - (2)^2] (x^2 +16) =0 \r<BR>\n" );
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document.write( "now , in first variables i.e.[(x)^2 - (2)^2] ,,,,,we can apply the formula <BR>\n" );
document.write( "(a^2 - b^2)= (a+b)(a-b).....  and we get \r<BR>\n" );
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document.write( " [(x - 2)(x + 2}] (x^2 +16) =0 \r<BR>\n" );
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document.write( "Please feel free to revert back for any further queries.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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