document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1162832>Question 1162832</A>: <I><SPAN STYLE=\"word-break: break-all;\"> x^2 - 2x +1 - 100y^4 = ?\r<BR>\n" );
document.write( "\n" );
document.write( "Answer Choices:<BR>\n" );
document.write( "a) (100y^2 + x - 1)(-100y^2 + x - 1)<BR>\n" );
document.write( "b) (x^2 - 3x)(1 - 100y^4)<BR>\n" );
document.write( "c) (3x + 1)(x^2 - 100y^4)<BR>\n" );
document.write( "d) x(x-3) -1(1 - 100y^4) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #786721 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13200)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=786721\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "None of the answer choices is correct.<br><BR>\n" );
document.write( "Answer choices b, c, and d make no sense at all...!<br><BR>\n" );
document.write( "I suspect answer choice a was supposed to be the right answer; but you don't show it right in your post.<br><BR>\n" );
document.write( "I will assume that answer choice a is supposed to be<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2810y%5E2%2Bx-1%29%28-10y%5E2%2Bx-1%29 ALIGN=MIDDLE  ALT=\"%2810y%5E2%2Bx-1%29%28-10y%5E2%2Bx-1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "Then you can see that it is right be rewriting it:<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2810y%5E2%2Bx-1%29%28-10y%5E2%2Bx-1%29 ALIGN=MIDDLE  ALT=\"%2810y%5E2%2Bx-1%29%28-10y%5E2%2Bx-1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-1%2B10y%5E2%29%28x-1-10y%5E2%29 ALIGN=MIDDLE  ALT=\"%28x-1%2B10y%5E2%29%28x-1-10y%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%28x-1%29%2B10y%5E2%29%28%28x-1%29-10y%5E2%29 ALIGN=MIDDLE  ALT=\"%28%28x-1%29%2B10y%5E2%29%28%28x-1%29-10y%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-1%29%5E2-%2810y%5E2%29%5E2 ALIGN=MIDDLE  ALT=\"%28x-1%29%5E2-%2810y%5E2%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >  [using the pattern <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28a%2Bb%29%28a-b%29+=+a%5E2-b%5E2 ALIGN=MIDDLE  ALT=\"%28a%2Bb%29%28a-b%29+=+a%5E2-b%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >]<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2-2x%2B1-100y%5E4 ALIGN=MIDDLE  ALT=\"x%5E2-2x%2B1-100y%5E4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );