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Ainat [17]
3 years ago
5

the length of a rectangular goals is represented by the expression 14x-3x^2+2y. the width of the field is represented by the exp

ression 5x-7x^2+7y. how much greater is the length of the field than the width
Mathematics
1 answer:
lozanna [386]3 years ago
3 0
Answer: 9x + 4x²


Explanation:


1) Length = 14x - 3x² + 2y


2) Width = 5x - 7x² + 7y


3) Length - width = [14x - 3x² + 2y] - [5x - 7x² + 7y]

4) Calculate:


i) Distributive property


14x - 3x² + 2y - 5x + 7x² - 2y

ii) Combine like terms:


9x + 4x²


5) Answer: 9x + 4x²
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