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andreev551 [17]
3 years ago
14

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:
prohojiy [21]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) Distribute the negative sign in front of the second polynomial:

14x - 3x² + 2y - 5x + 7x² - 2y

ii) Combine like terms:

9x + 4x²

5) Answer: 9x + 4x²
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7 0
3 years ago
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Answer:
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when the value of x is 7/5 the equation will be true
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Check attachment for processes
Therefore when the value of x is 7/5 the equation will be true
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