SOLUTION: Jill's current office is square.Her office office in the company's new building will be 2 feet shorter in one direction and 4 feet longer in the other. The area of her new office w

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Question 1016523: Jill's current office is square.Her office office in the company's new building will be 2 feet shorter in one direction and 4 feet longer in the other. The area of her new office will be 10 ft square bigger. Determine the area of both offices.
Answer by FrankM(1040) About Me  (Show Source):
You can put this solution on YOUR website!
Old office is X * X or X^2
New Office is (X-2)(X+4)
%28X-2%29%28X%2B4%29=X%5E2%2B10
X%5E2%2B2X-8=X%5E2%2B10
2X-8=10
2X=18
X=9
old office 81 sq ft
new office 91 sq ft