document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=884831>Question 884831</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the area of a parallelogram if its area is represented by x^2-4, the length of a side by x+4, and the length of the altitude on that side by x-3... thanx </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #534756 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=534756\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the area(A) of a parallelogram = base times altitude<BR>\n" );
document.write( "x^2 -4 = (x+4)*(x-3)<BR>\n" );
document.write( "x^2 -4 = x^2 +x -12<BR>\n" );
document.write( "subtract x^2 from both sides of =<BR>\n" );
document.write( "-4 = x -12<BR>\n" );
document.write( "add -12 to both sides of =<BR>\n" );
document.write( "x = 8<BR>\n" );
document.write( "check the answer<BR>\n" );
document.write( "8^2 -4 = (8+4)*(8-3)<BR>\n" );
document.write( "64 -4 = 12 * 5<BR>\n" );
document.write( "60 = 60<BR>\n" );
document.write( "our answer checks<BR>\n" );
document.write( "A = 60\r<BR>\n" );
document.write( "\n" );
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