document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=329404>Question 329404</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A rectangle and a square have the same area. The length of the rectangle is seventy feet more than two times its width. The length of a side of the square is thirty feet. Which equations would help you solve for the dimensions of the rectangle?<BR>\n" );
document.write( "What are the dimensions of the rectangle?\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "I really need help on this any help is appreciated !!! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #236085 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=236085\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let width of rectangle be x<BR>\n" );
document.write( "length will be 2x+70<BR>\n" );
document.write( "Area of rectangle = length * width<BR>\n" );
document.write( "=x(2x+70)<BR>\n" );
document.write( "..<BR>\n" );
document.write( "Area of square = L^2<BR>\n" );
document.write( "L= 30<BR>\n" );
document.write( "area = 30^2= 900<BR>\n" );
document.write( "..<BR>\n" );
document.write( "But the area of square = area of rectangle<BR>\n" );
document.write( "x(2x+70)=900<BR>\n" );
document.write( "2x^2+70x=900<BR>\n" );
document.write( "divide by 2<BR>\n" );
document.write( "x^2+35x=450<BR>\n" );
document.write( "x^2+35x-450=0<BR>\n" );
document.write( "x^2+45x-10x-450=0<BR>\n" );
document.write( "x(x+45)-10(x+45)=0<BR>\n" );
document.write( "(x+45)(x-10)=0<BR>\n" );
document.write( "x=-45 OR x=10<BR>\n" );
document.write( "ignore the negative value<BR>\n" );
document.write( "width = 10 <BR>\n" );
document.write( "Length = 2x +70<BR>\n" );
document.write( "= 2*10+70= 90 feet length<BR>\n" );
document.write( "CHECK<BR>\n" );
document.write( "AREA = 90*10 =900 square feet </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );