document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=409907>Question 409907</A>: <I><SPAN STYLE=\"word-break: break-all;\"> dividing polynomies <BR>\n" );
document.write( " Hi!<BR>\n" );
document.write( "I got my HW and i don't know how to do it and y need help<BR>\n" );
document.write( "my problems are.. <BR>\n" );
document.write( "81x3-192=0 <BR>\n" );
document.write( "125x3+216=0 <BR>\n" );
document.write( "x4-64=0 <BR>\n" );
document.write( "-2x4+46x2=-100 <BR>\n" );
document.write( "27=-x4-12x2 <BR>\n" );
document.write( "x5-5x3+4x=0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #288396 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=288396\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 81x3-192=0<BR>\n" );
document.write( "125x3+216=0<BR>\n" );
document.write( "x4-64=0<BR>\n" );
document.write( "-2x4+46x2=-100<BR>\n" );
document.write( "27=-x4-12x2<BR>\n" );
document.write( "x5-5x3+4x=0\r<BR>\n" );
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document.write( "..<BR>\n" );
document.write( "81x3-192=0<BR>\n" );
document.write( "81x^3=192<BR>\n" );
document.write( "x^3=192/81<BR>\n" );
document.write( "take the cube root of both sides,<BR>\n" );
document.write( "x=cube root(192/81)<BR>\n" );
document.write( " =cube root(64*3/27*3)<BR>\n" );
document.write( " =4cube root(3)/3cube root(3)<BR>\n" );
document.write( " =4/3<BR>\n" );
document.write( "..<BR>\n" );
document.write( "125x3+216=0<BR>\n" );
document.write( "125x^3+216=0<BR>\n" );
document.write( "125x^3=-216<BR>\n" );
document.write( "take the cube root of both sides<BR>\n" );
document.write( "5x=-6<BR>\n" );
document.write( "x=-6/5<BR>\n" );
document.write( "..<BR>\n" );
document.write( "x4-64=0<BR>\n" );
document.write( "x^4=64<BR>\n" );
document.write( "take the fourth root of both sides<BR>\n" );
document.write( "x=64^1/4<BR>\n" );
document.write( " =(2^4*4)^1/4<BR>\n" );
document.write( " =2*4^1/4<BR>\n" );
document.write( "..\r<BR>\n" );
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document.write( "-2x4+46x2=-100<BR>\n" );
document.write( "-2x^4+46x^2=-100<BR>\n" );
document.write( "2x^4-46x^2=100<BR>\n" );
document.write( "2x^4-46x^2-100=0<BR>\n" );
document.write( "x^4-23x^2-50=0<BR>\n" );
document.write( "solve for x by factoring<BR>\n" );
document.write( "(x^2-25)(x^2+2)=0<BR>\n" );
document.write( "x^2-25=0<BR>\n" );
document.write( "x=+-sqrt(25)<BR>\n" );
document.write( "x=5<BR>\n" );
document.write( "x=-5<BR>\n" );
document.write( "x^2+2=0<BR>\n" );
document.write( "x=+-sqrt(2)<BR>\n" );
document.write( "x=sqrt(2)<BR>\n" );
document.write( "x=-sqrt(2)<BR>\n" );
document.write( "The four roots are:5,-5,sqrt(2),-sqrt(2)<BR>\n" );
document.write( "..<BR>\n" );
document.write( "27=-x4-12x2<BR>\n" );
document.write( "x^4+12x^2+27=0<BR>\n" );
document.write( "factor<BR>\n" );
document.write( "(x^2+9)(x^2+3)<BR>\n" );
document.write( "x^2+9=0<BR>\n" );
document.write( "x=+-sqrt(9)<BR>\n" );
document.write( "x=+-3<BR>\n" );
document.write( "x^2+3=0<BR>\n" );
document.write( "x=+-sqrt(3)<BR>\n" );
document.write( "The four roots are:3,-3,sqrt(3),-sqrt(3)\r<BR>\n" );
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document.write( "..<BR>\n" );
document.write( "x5-5x3+4x=0<BR>\n" );
document.write( "x^5-5x^3+4x=0<BR>\n" );
document.write( "factor out x<BR>\n" );
document.write( "x(x^4-5x^2+4)=0<BR>\n" );
document.write( "x(x^2-4)(x^2-1)=0<BR>\n" );
document.write( "x=0<BR>\n" );
document.write( "x^2-4=0<BR>\n" );
document.write( "x=+-sqrt(4)<BR>\n" );
document.write( "x=+-2<BR>\n" );
document.write( "x^2-1=0<BR>\n" );
document.write( "x=sqrt(1)<BR>\n" );
document.write( "x=+-1<BR>\n" );
document.write( "The five roots are:0,-2,2,-1,1\r<BR>\n" );
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document.write( "Hope this helps! Be sure to continue doing your homework.\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );