document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=619985>Question 619985</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Marie's office cubicle measures 10 ft by 12 ft. Write an equation to find the amount (x) that should be added to both the current length and width to make the area twice the size it is now. Solve the equation. What will the new dimension be?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #389903 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=389903\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Marie's office cubicle measures 10 ft by 12 ft.<BR>\n" );
document.write( " Write an equation to find the amount (x) that should be added to both the current length and width to make the area twice the size it is now<BR>\n" );
document.write( "Solve the equation. What will the new dimension be?<BR>\n" );
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document.write( "Find the area now: 10 * 12 = 120 sq/ft, double the area = 240 sq/ft<BR>\n" );
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document.write( "(x+10)(x+12) = 240<BR>\n" );
document.write( "FOIL<BR>\n" );
document.write( "x^2 + 12x + 10x + 120 = 240<BR>\n" );
document.write( "x^2 + 22x + 120 - 240 = 0<BR>\n" );
document.write( "x^2 + 22x - 120 = 0; is the equation<BR>\n" );
document.write( "Won't factor, use the quadratic formula to find x, I got a positive solution of<BR>\n" );
document.write( "x ~ 4.524 ft or 4 ft 6.3 inches to add to each dimension </SPAN>\n" );
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