SOLUTION: The polynominal that represents the area of the rectangle with sides (x+4) and (x-1).

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Question 109481: The polynominal that represents the area of the rectangle with sides (x+4) and (x-1).
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
The area of the rectangle is the product of the two sides.
A=%28x%2B4%29%28x-1%29
Using the FOIL (First Outer Inner Last) method,
%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
%28x%2B4%29%28x-1%29=x%5E2-x%2B4x-4
%28x%2B4%29%28x-1%29=x%5E2%2B3x-4
A=x%5E2%2B3x-4