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## The dimensions of a square are altered so that one dimension is increased by 7 feet, while the other is decreased by 2 feet. The are of the

Question

The dimensions of a square are altered so that one dimension is increased by 7 feet, while the other is decreased by 2 feet. The are of the resulting rectangle is 90ft^2. Find the original area of the square.

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Mathematics
5 months
2021-08-30T10:25:08+00:00
2021-08-30T10:25:08+00:00 2 Answers
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## Answers ( )

Answer:64 ft^2

Step-by-step explanation:Answer:64 ft^2

Step-by-step explanation:(x+7)(x-2)=90

x^2-2x+7x-14=90

x^2+5x-104=0

factor

(x+13)(x-8)=0

x=-13

x=8 ft original square side

area=8×8=64