document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=269305>Question 269305</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do you use the quadratic formula to find roots of an equation with four terms? (x to the third -2xsquared + 16x -32) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #197400 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=197400\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How do you use the quadratic formula to find roots of an equation with four terms? (x to the third -2xsquared + 16x -32)<BR>\n" );
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document.write( "You don't; it is not a quadratic.<BR>\n" );
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document.write( "Solve x^3 - 2x^2 + 16x - 32 = 0<BR>\n" );
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document.write( "Factor the 1st two and the last two terms separately:<BR>\n" );
document.write( "x^2(x-2) + 16(x-2) = 0<BR>\n" );
document.write( "Factor Again:<BR>\n" );
document.write( "(x-2)(x^2+16) = 0<BR>\n" );
document.write( "(x-2)(x+4i)(x-4i) = 0<BR>\n" );
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document.write( "x = 2 or x = -4i or x = +4i<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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