document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=43822>Question 43822</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I'm trying to help my child with her homework and I'm clueless. Can anyone show me how to answer this and give me the solution?\r<BR>\n" );
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document.write( "Factor each polynomial completely\r<BR>\n" );
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document.write( "2aČ - 4a -2<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 #28771 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=28771\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Factor each polynomial completely<BR>\n" );
document.write( "2aČ - 4a -2\r<BR>\n" );
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document.write( "Common factor of \"2\".<BR>\n" );
document.write( "So, 2(a^2-2a-1)<BR>\n" );
document.write( "Use the quadratic formula to factor a^2-2a-1:\r<BR>\n" );
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document.write( "a=[2+sqrt(4+4)]/2=[1+sqrt2]<BR>\n" );
document.write( "OR<BR>\n" );
document.write( "a=[1-sqrt2]\r<BR>\n" );
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document.write( "So the factors are:<BR>\n" );
document.write( "2<BR>\n" );
document.write( "(a-1-sqrt2]<BR>\n" );
document.write( "[a-1+sqrt2]\r<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "stan H. </SPAN>\n" );
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