document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=985336>Question 985336</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can you please help me solve this?<BR>\n" );
document.write( "Factorise the quadratic expressions using the quadratic formula:<BR>\n" );
document.write( "x^2-2ax+a^2-b^2<BR>\n" );
document.write( "I'm not sure how to change it to a quadratic equation.\r<BR>\n" );
document.write( "\n" );
document.write( "Thank you!! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #606141 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=606141\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x^2 -2ax +a^2-b^2<BR>\n" );
document.write( "the form for the quadratic equation is <BR>\n" );
document.write( "ax^2 + bx + c, therefore<BR>\n" );
document.write( "*****************************************************************************<BR>\n" );
document.write( "for this problem<BR>\n" );
document.write( "a = 1<BR>\n" );
document.write( "b = -2a<BR>\n" );
document.write( "c = a^2-b^2<BR>\n" );
document.write( "*****************************************************************************<BR>\n" );
document.write( "x = (-b + or - square root(b^2 - 4ac)) / 2a<BR>\n" );
document.write( "for this problem<BR>\n" );
document.write( "x = (-(-2a) + square root( (-2a)^2 - 4 * (1) * (a^2 - b^2) ) ) / 2 <BR>\n" );
document.write( "x = ( 2a + square root( 4a^2 - 4a^2 + 4b^2) ) / 2<BR>\n" );
document.write( "x = ( 2a + 2b) / 2<BR>\n" );
document.write( "x = (a + b)<BR>\n" );
document.write( "*****************************************************************************<BR>\n" );
document.write( "x = (2a - 2b) / 2<BR>\n" );
document.write( "x = (a - b)<BR>\n" );
document.write( "therefore the factors are<BR>\n" );
document.write( "(x - (a+b))  and (x - (a-b))\r<BR>\n" );
document.write( "\n" );
document.write( " <BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );