document.write( "Question 369437: Area of a rug. Find the trinomial A(x) that represents the area of a rectangle rug whose sides are x + 3 and 2x – 1 feet. Find A(4). \n" ); document.write( "
Algebra.Com's Answer #263253 by mananth(16946)\"\" \"About 
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A(x)=(x+3)(2x-1)
\n" ); document.write( "= 2x^2+5x-3
\n" ); document.write( "A(4) = 2*4^2+5*4-3
\n" ); document.write( "=32+20-3
\n" ); document.write( "=49
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\n" ); document.write( "m.ananth@hotmail.ca
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