document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=892919>Question 892919</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Completing the square <BR>\n" );
document.write( "1. X^4+64y^4<BR>\n" );
document.write( "2. X^4+y^2+25<BR>\n" );
document.write( "3. X^4-11x^2y^2+y^4<BR>\n" );
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document.write( "Please do help me,\r<BR>\n" );
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document.write( "My teacher's solution goes like this, and I didn't even understand cuz he's too fast.\r<BR>\n" );
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document.write( "Ex. x^4+2x^2y^2+9y^4<BR>\n" );
document.write( "x^4+9y^4+2x^2y^2<BR>\n" );
document.write( "x^4+2x^2(3y^2)+9y^4+2x^2y^2-2x^2(3y^2)<BR>\n" );
document.write( "X^4+6x^2y^2+9y^4+2x^2y^2-6x^2y^2<BR>\n" );
document.write( "(x^2+3y^2)^2-4x^2y^2<BR>\n" );
document.write( "(x^2+3y^2)^2-(2xy)^2<BR>\n" );
document.write( "(x^2+3y^2+2xy)(x^2+3y^2-2xy)\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #540906 by </B><A HREF=/tutors/aboutme.mpl?userid=dkppathak><B>dkppathak(439)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=dkppathak><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=dkppathak><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=540906\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1. X^4+64y^4\r<BR>\n" );
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document.write( "3. X^4-11x^2y^2+y^4\r<BR>\n" );
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document.write( "1.(X^2)^2+(8y^2)^2 +2X^2.8Y^2-2X^2.8y^2   by adding and subtracting equal values<BR>\n" );
document.write( "by formula<BR>\n" );
document.write( "(x^2+8y^2)^2-16X^2y^2<BR>\n" );
document.write( "(x^2+8y^2)^2-(4Xy)^2  we know identity A^2-B^2=(A-B)(A+B)<BR>\n" );
document.write( "(x^2+8y^2-4Xy)(x^2+8y^2+4Xy) \r<BR>\n" );
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document.write( "3. X^4-11x^2y^2+y^4<BR>\n" );
document.write( "  (X^2)^2+(Y^2)2-2X^2y^2+2X^2Y^2-11x^2 y^2<BR>\n" );
document.write( "(X^2-Y^2)^2-9X^2 Y^2<BR>\n" );
document.write( "(X^2-Y^2)^2-(3X Y)^2<BR>\n" );
document.write( "(X^2-Y^2-3X Y)(X^2-Y^2+3X Y)\r<BR>\n" );
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document.write( "9 </SPAN>\n" );
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