document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=260004>Question 260004</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve this equation (3+x)^2=49.  I can't figure out how to solve for x </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #191439 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=191439\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (3+x)^2=49<BR>\n" );
document.write( "(3+x)<BR>\n" );
document.write( "(3+x) multiply<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "9+3x+3x+x^2 combine the x terms.<BR>\n" );
document.write( "9+6x+x^2=49 subtract 49 from both sides. <BR>\n" );
document.write( "9+6x+x^2-49=0 combine the numbers.<BR>\n" );
document.write( "x^2+6x-40=0 factor the equation.<BR>\n" );
document.write( "(x-4)(x+10)=0 set each factor =0 & solve for x.<BR>\n" );
document.write( "x-4=0 add 4 to each side.<BR>\n" );
document.write( "x=4 ans.<BR>\n" );
document.write( "x+10=0 subtract 10 from each side.<BR>\n" );
document.write( "x=-10 ans.<BR>\n" );
document.write( "-------------------<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( "(3+4)^2=49<BR>\n" );
document.write( "7^2=49<BR>\n" );
document.write( "(3-10)^2=49<BR>\n" );
document.write( "-7^2=49<BR>\n" );
document.write( "49=49 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );