document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=118184>Question 118184</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0534954146/algebrahomeworkh>Fund of Trig and Alg</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Hi, I am trying to review for a final and am stuck on this one.<BR>\n" );
document.write( "Use method of substitution to solve system:\r<BR>\n" );
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document.write( "x-y^3=1<BR>\n" );
document.write( "2x=9y^2+2\r<BR>\n" );
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document.write( "This is what I have done:<BR>\n" );
document.write( "x=1+y^3<BR>\n" );
document.write( "2(1+y^3)= 9y^2+2<BR>\n" );
document.write( "2+2y^3=9y^2+2<BR>\n" );
document.write( "2y^3=9y^2+2<BR>\n" );
document.write( "2y^3-9y^2=0<BR>\n" );
document.write( "y(y+3)(y-3) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #86287 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=86287\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use method of substitution to solve system:\r<BR>\n" );
document.write( "\n" );
document.write( "x-y^3=1<BR>\n" );
document.write( "2x=9y^2+2\r<BR>\n" );
document.write( "\n" );
document.write( "This is what I have done:<BR>\n" );
document.write( "x=1+y^3<BR>\n" );
document.write( "2(1+y^3)= 9y^2+2<BR>\n" );
document.write( "2+2y^3 = 9y^2+2<BR>\n" );
document.write( "2y^3=9y^2<BR>\n" );
document.write( "2y^3-9y^2=0<BR>\n" );
document.write( "y^2(2y-9) = 0<BR>\n" );
document.write( "y = 0 or y = 9/2<BR>\n" );
document.write( "---------------------<BR>\n" );
document.write( "Now solve for \"x\":<BR>\n" );
document.write( "If y = 0, x = 0^3+1 = 1<BR>\n" );
document.write( "If y = (9/2), x = (9/2)^3+1 = 729/8+1 = 737/8= 91 1/8<BR>\n" );
document.write( "==============================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );