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A carpenter is assigned a job of installing a spa into a pre-existing deck. The dimensions of the deck are 5x + 6
2 wide by 4x + 3
3 long. The dimensions of the spa are 2x + 6
5 wide by x + 8
4 long.

Write the polynomial that represents the remaining area of the deck after the carpenter cut the hole out for the spa.

Answer :

wolffiegirl
 x(x+2) 

 x^2+2x 


 (12)^2 + 2(12) 

 144 + 24 

168 


So the area is 168 square units.

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