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02-09-2020
Mathematics

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A rectangle has length 2x+3 and width 7x+9. Write a polynomial in standard form that represents the perimeter of the rectangle. You MUST combine like terms.

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ksloneee ksloneee

03-09-2020

Answer:

18x+21

Step-by-step explanation:

First multiply each equation by 2 since there is 2 sides for both the length and width.

2(2x+3) 2(7x+9)

4x+3 14x+18

Then combine like terms

4x+14x 3+18

18x 21

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