document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=183734>Question 183734</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find trinomial A (x) that represents the area of a parallelogram whose base is 3x+2 meters and whose height is 2x+3 meters. Find A(3).  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #137890 by </B><A HREF=/tutors/aboutme.mpl?userid=math_il><B>math_il(6)</B></A><img src=\"/images/stars/stars-05.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=math_il><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=137890\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Area of a parallelogram = base * height\r<BR>\n" );
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document.write( "A(x) = (3x+2) * (2x+3)<BR>\n" );
document.write( "expand the factors by multiplication\r<BR>\n" );
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document.write( "A(x) = 6 x^2 + 4x + 9x + 6<BR>\n" );
document.write( "adding the coefficients of x terms\r<BR>\n" );
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document.write( "A(x) = 6 x^2 + 13x + 6 This is the trinomial that represents the area of the parallelogram.\r<BR>\n" );
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document.write( "A(3) is obtained by substituting x=3 in the trinomial.\r<BR>\n" );
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document.write( "A(3) = 6 * 3*3 + 13*3 +6 = 6*9 + 39 +6 = 54 + 39 +6 = 99.<BR>\n" );
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