document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=597422>Question 597422</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 8-2(3y+2)+5y(y+3) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #378168 by </B><A HREF=/tutors/aboutme.mpl?userid=wraith87><B>wraith87(4)</B></A><img src=\"/images/stars/iconNewId_16x16.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=wraith87><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=wraith87><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=378168\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I pressume you are trying to simplify the expression<BR>\n" );
document.write( "x = 8-2(3y+2)+5y(y+3)<BR>\n" );
document.write( "x = 8-6y+4+5y^2+3<BR>\n" );
document.write( "x = 5y^2-6y+11  <--- quadratic form\r<BR>\n" );
document.write( "\n" );
document.write( "y^2-6y+55<BR>\n" );
document.write( "what multiplies to 55 and add to -6<BR>\n" );
document.write( "+5 -11<BR>\n" );
document.write( "therefore<BR>\n" );
document.write( "x = 5y^2+5y-11y+11<BR>\n" );
document.write( "x = 5y(y+1)-11(y+1)<BR>\n" );
document.write( "x = (5y-11)(y+1) <--- factorised </SPAN>\n" );
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