Need help with math problem
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Need help with math problem

[From: ] [author: ] [Date: 11-08-23] [Hit: ]
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A rectangular yard has a length 4 feet greater than its width. If both dimensions are increased by 7 feet, which expression gives the resulting increase in area?
A) 18x+77
B) x^2+14x+77
C) 14x+77
D)x^2+18x+77

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(x+7)(x+11) - x(x+4) = x² + 18x + 77 - x² - 4x = 14x+77
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