document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1154822>Question 1154822</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What are the rational zeroes for f(x) = x^3 − 2x^2 − x + 2? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #777312 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52781)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=777312\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .\r<BR>\n" );
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document.write( "First try all integer divisors of the constant term 2, i.e. +/-1 and +/-2.\r<BR>\n" );
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document.write( "Or use the grouping method\r<BR>\n" );
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document.write( "x^3 − 2x^2 − x + 2 = (x^3-2x^2) - (x-2) = x^2*(x-2) - (x-2) = (x^2 -1)*(x-2) = (x-1)*(x+1)*(x+2).\r<BR>\n" );
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document.write( "All rational zeroes are 1, - 1 and -2.<BR>\n" );
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