document.write( "Question 845038: What polynomial represents the area of a rectangle having length L= x+7 and width W= x-3 \n" ); document.write( "

Algebra.Com's Answer #509091 by Fombitz(32388) $\"\"$ $\"About$

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For a rectangle,
\n" ); document.write( " $\"A=L%2AW\"$
\n" ); document.write( " $\"A=%28x%2B7%29%28x-3%29\"$
\n" ); document.write( "Using the FOIL Method,
\n" ); document.write( " $\"A=x%5E2-3x%2B7x-21\"$
\n" ); document.write( " $\"A=x%5E2%2B4x-21\"$
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