document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=439522>Question 439522</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello my name is ChristopherI am hoping you can  help me on this HW problem...<BR>\n" );
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document.write( "Solve equation by putting in quadratic form (Use a U substitution)....?<BR>\n" );
document.write( "Very confused  could you please help me ? thankyou <BR>\n" );
document.write( "4x^4-7x^2+3=0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #303744 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=303744\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve equation by putting in quadratic form (Use a U substitution)....?<BR>\n" );
document.write( "Very confused could you please help me ? thankyou <BR>\n" );
document.write( "4x^4-7x^2+3=0<BR>\n" );
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document.write( "Let u = x^2<BR>\n" );
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document.write( "Substitute to get:<BR>\n" );
document.write( "4u^2-7u+3 = 0<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Factor:<BR>\n" );
document.write( "4u^2 -4u-3u + 3 = 0<BR>\n" );
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document.write( "4u(u-1)-3(u-1) = 0<BR>\n" );
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document.write( "Factor Again:<BR>\n" );
document.write( "(u-1)(4u-3) = 0<BR>\n" );
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document.write( "u = 1 or u = 4/3<BR>\n" );
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document.write( "Convert answer to \"x\":<BR>\n" );
document.write( "x^2 = 1 or x^2 = 4/3<BR>\n" );
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document.write( "x = +-1 or x = +-2/sqrt(3)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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