document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=935724>Question 935724</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If the area of the rectangle is 105 cm2. Its length is (4x – 5) cm and breadth is (2x – 5) cm, find the perimeter? <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 #569026 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=569026\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ---<BR>\n" );
document.write( "L = 4x – 5<BR>\n" );
document.write( "W = 2x – 5<BR>\n" );
document.write( "---<BR>\n" );
document.write( "(4x – 5)(2x – 5) = 105<BR>\n" );
document.write( "8xx – 20x - 10x + 25 = 105<BR>\n" );
document.write( "8xx – 30x - 80 = 0<BR>\n" );
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document.write( "the above quadratic equation is in standard form, with a=8, b=-30 and c=-80<BR>\n" );
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document.write( "to solve the quadratic equation, by using the quadratic formula, copy and paste this:<BR>\n" );
document.write( "8 -30 -80<BR>\n" );
document.write( "into this solver: https://sooeet.com/math/quadratic-equation-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "the quadratic has two real roots at:<BR>\n" );
document.write( "---<BR>\n" );
document.write( "x = 5.55136029<BR>\n" );
document.write( "x = -1.80136029<BR>\n" );
document.write( "---<BR>\n" );
document.write( "x = 13.6509717<BR>\n" );
document.write( "L = 4x - 5<BR>\n" );
document.write( "L = 4*13.6509717 - 5<BR>\n" );
document.write( "L = 49.6038868<BR>\n" );
document.write( "W = 2x - 5<BR>\n" );
document.write( "W = 2*13.6509717 - 5<BR>\n" );
document.write( "W = 22.3019434<BR>\n" );
document.write( "---<BR>\n" );
document.write( "x = -1.80136029<BR>\n" );
document.write( "L = 4x - 5<BR>\n" );
document.write( "L = 4*-1.80136029 - 5<BR>\n" );
document.write( "L = -12.20544116<BR>\n" );
document.write( "W = 2x - 5<BR>\n" );
document.write( "W = 2*-1.80136029 - 5<BR>\n" );
document.write( "W = -8.60272058<BR>\n" );
document.write( "---<BR>\n" );
document.write( "the negative root doesn't fit the problem statement, so use the positive root:<BR>\n" );
document.write( "---<BR>\n" );
document.write( "answer:<BR>\n" );
document.write( "p = 2L + 2W <BR>\n" );
document.write( "p = 2*49.6038868 + 2*22.3019434<BR>\n" );
document.write( "p = 143.8116604 cm<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Free algebra tutoring live chat:<BR>\n" );
document.write( "https://sooeet.com/chat.php?gn=algebra<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 with 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<BR>\n" );
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document.write( "</TD></TR></TABLE>\n" );