document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=889453>Question 889453</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am being asked to find one side of a rectangle when one side equals 3x+4 and the area equals 15x^2 - x - 28<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 #538170 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=538170\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Note that (3x+4) is one factor of 15x^2 -x -28, the other factor will the other side of the rectangle.  Also note that the area of a rectangle = length * width<BR>\n" );
document.write( "therefore<BR>\n" );
document.write( "(3x+4)*(5x-7) = 15x^2 -x -28<BR>\n" );
document.write( "thus<BR>\n" );
document.write( "5x-7 is the expression for the other side of the rectangle<BR>\n" );
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