document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=169234>Question 169234</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The problem is this:<BR>\n" );
document.write( "(1-2x)(3x+1)-(x-1)^2\r<BR>\n" );
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document.write( "What I have done is this:<BR>\n" );
document.write( "(x-1)^2 = x^2 -2x +1\r<BR>\n" );
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document.write( "And using FOIL, (1-2x)(3x+1) =<BR>\n" );
document.write( "3x +1 -6x^2 -2x\r<BR>\n" );
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document.write( "So, simplified, the equation reads: -x -7x^2 +2 or -7x^2 -x +2\r<BR>\n" );
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document.write( "But the multiple choice answers are:<BR>\n" );
document.write( "a. x(3-7x)<BR>\n" );
document.write( "b. -7x^2 -x<BR>\n" );
document.write( "c. -7x2 -5x<BR>\n" );
document.write( "d. -7x^2 +x<BR>\n" );
document.write( "e. None of these\r<BR>\n" );
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document.write( "Am I right? Is it e. none of these? Please help! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #124779 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=124779\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (1-2x)(3x+1)-(x-1)^2<BR>\n" );
document.write( "What I have done is this:<BR>\n" );
document.write( "(x-1)^2 = x^2 -2x +1<BR>\n" );
document.write( "And using FOIL, (1-2x)(3x+1) =<BR>\n" );
document.write( "3x +1 -6x^2 -2x <BR>\n" );
document.write( "So far, so good!!<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Now, rewriting:<BR>\n" );
document.write( "(1-2x)(3x+1)-(x-1)^2<BR>\n" );
document.write( "We get:<BR>\n" );
document.write( "(3x +1 -6x^2 -2x) - (x^2 -2x +1)<BR>\n" );
document.write( "3x +1 -6x^2 -2x - x^2 + 2x - 1<BR>\n" );
document.write( "3x -6x^2 -2x - x^2 + 2x<BR>\n" );
document.write( "3x -6x^2- x^2<BR>\n" );
document.write( "3x -7x^2<BR>\n" );
document.write( "factoring out an 'x':<BR>\n" );
document.write( "x(3-7x)  (Which is answer 'a')\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );