document.write( "Question 109481: The polynominal that represents the area of the rectangle with sides (x+4) and (x-1). \n" ); document.write( "

Algebra.Com's Answer #79820 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
The area of the rectangle is the product of the two sides.
\n" ); document.write( " $\"A=%28x%2B4%29%28x-1%29\"$
\n" ); document.write( "Using the FOIL (First Outer Inner Last) method,
\n" ); document.write( " $\"%28x%2B4%29%28x-1%29=x%2Ax%2B%28x%29%28-1%29%2B%284%29%28x%29%2B%284%29%28-1%29\"$
\n" ); document.write( " $\"%28x%2B4%29%28x-1%29=x%5E2-x%2B4x-4\"$
\n" ); document.write( " $\"%28x%2B4%29%28x-1%29=x%5E2%2B3x-4\"$
\n" ); document.write( " $\"A=x%5E2%2B3x-4\"$ \n" ); document.write( "

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