document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=254309>Question 254309</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If one side of a square is tripled and another is increased by 2, the area of the resulting rectangle is 45 units. What is the length of a side of the square? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #186659 by </B><A HREF=/tutors/aboutme.mpl?userid=JimboP1977><B>JimboP1977(311)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=JimboP1977><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=JimboP1977><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=186659\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 3x*(x+2)=45<BR>\n" );
document.write( "3x^2+6x=45<BR>\n" );
document.write( "x^2+2x=45/3<BR>\n" );
document.write( "(x+1)^2-1=45/3<BR>\n" );
document.write( "x=sqrt(45/3)+1)-1<BR>\n" );
document.write( "x=sqrt(16)-1<BR>\n" );
document.write( "x=3 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );