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NNADVOKAT [17]
2 years ago
11

The length of a rectangle field is represented by the expression 14 X minus 3X squared +2 Y. The width of the field is represent

ed by the expression 5X minus 7X squared plus 7Y. How much greater is the length of the field than the width?
Mathematics
1 answer:
Assoli18 [71]2 years ago
7 0

Answer:

9x+4x^2-5y

Step-by-step explanation:

Hi there!

Length of the field: 14x-3x^2+2y units

Width of the field: 5x-7x^2+7y units

To find how much greater the length of the field is than the width, subtract the width from the length:

14x-3x^2+2y-(5x-7x^2+7y)

Open up the parentheses

= 14x-3x^2+2y-5x+7x^2-7y

Combine like terms

= 14x-5x-3x^2+7x^2+2y-7y\\= 9x+4x^2-5y

Therefore, the length is 9x+4x^2-5y units greater than the width.

I hope this helps!

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