document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=475560>Question 475560</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the x and y intercepts\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 #326105 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=326105\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+P%28x%29+=+x%5E3%2B4x%5E2-x-4+ ALIGN=MIDDLE  ALT=\"+P%28x%29+=+x%5E3%2B4x%5E2-x-4+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Factor this by grouping<BR>\n" );
document.write( "P(x) = x^3 - x + 4x^2 - 4<BR>\n" );
document.write( "P(x) = (x^3 - x) + (4x^2 - 4)<BR>\n" );
document.write( "factor<BR>\n" );
document.write( "P(x) = x(x^2 - 1) + 4(x^2 - 1)<BR>\n" );
document.write( "Factor out (x^2-1)<BR>\n" );
document.write( "P(x) = (x^2 - 1)(x + 4)<BR>\n" );
document.write( "x^2 = 1<BR>\n" );
document.write( "x = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%281%29 ALIGN=MIDDLE  ALT=\"sqrt%281%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x = 1<BR>\n" );
document.write( "x = -1<BR>\n" );
document.write( "and<BR>\n" );
document.write( "x = -4<BR>\n" );
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document.write( "x intercepts: -4, -1, +1<BR>\n" );
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document.write( "Find the y intercept, occurs when x=0<BR>\n" );
document.write( "y = x^3 + 4x^2 - x - 4 <BR>\n" );
document.write( "y = 0^3 + 4(0)^2 - 0 - 4<BR>\n" );
document.write( "y = -4 is the y intercept<BR>\n" );
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document.write( "graphically<BR>\n" );
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