document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=3063>Question 3063</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve by factoring x squared +7=28-4x </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #1306 by </B><A HREF=/tutors/aboutme.mpl?userid=kiru_khandelwal><B>kiru_khandelwal(79)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=kiru_khandelwal><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=1306\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x^2 + 7 = 28 -4x<BR>\n" );
document.write( "=> x^2 + 4x +7 - 28 = 0<BR>\n" );
document.write( "=> x^2 + 4x - 21 = 0<BR>\n" );
document.write( "=> x^2 + 7x - 3x - 21 = 0<BR>\n" );
document.write( "=> x(x+7) -3(x+7) = 0<BR>\n" );
document.write( "=> (x+7)(x-3) =0<BR>\n" );
document.write( "=> x+7 = 0 or x-3 =0<BR>\n" );
document.write( "=> x = -7, 3 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );