document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=822548>Question 822548</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A computer keyboard is 11 inches longer than it is wide. If the length were doubled and if 2 inches were added to the width the area would increase by 198 sq inches. What are the length and width of the keyboard? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #494932 by </B><A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><B>TimothyLamb(4379)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><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=TimothyLamb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=494932\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ---<BR>\n" );
document.write( "x = y + 11<BR>\n" );
document.write( "2x(y + 2) = xy + 198<BR>\n" );
document.write( "---<BR>\n" );
document.write( "2x(y + 2) = xy + 198<BR>\n" );
document.write( "2xy + 4x = xy + 198<BR>\n" );
document.write( "xy + 4x = 198<BR>\n" );
document.write( "x(y + 4) = 198<BR>\n" );
document.write( "---<BR>\n" );
document.write( "x(y + 4) = 198<BR>\n" );
document.write( "(y + 11)(y + 4) = 198<BR>\n" );
document.write( "yy + 15y + 44 = 198<BR>\n" );
document.write( "yy + 15y - 154 = 0<BR>\n" );
document.write( "---<BR>\n" );
document.write( "the above quadratic equation is in standard form, with a=1, b=15, and c=-154<BR>\n" );
document.write( "---<BR>\n" );
document.write( "to solve the quadratic equation, by using the quadratic formula, copy and paste this:<BR>\n" );
document.write( "1 15 -154<BR>\n" );
document.write( "into this solver: https://sooeet.com/math/quadratic-equation-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "this quadratic has two real roots (the x-intercepts), which are:<BR>\n" );
document.write( "y = 7<BR>\n" );
document.write( "y = -22<BR>\n" );
document.write( "---<BR>\n" );
document.write( "negative width doesn't make sense for this problem, so use the positive root<BR>\n" );
document.write( "---<BR>\n" );
document.write( "y = width = 7 inches<BR>\n" );
document.write( "x = length = 18 inches<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Solve and graph linear equations:<BR>\n" );
document.write( "https://sooeet.com/math/linear-equation-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Solve quadratic equations, quadratic formula:<BR>\n" );
document.write( "https://sooeet.com/math/quadratic-formula-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Solve systems of linear equations up to 6-equations 6-variables:<BR>\n" );
document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );