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Gnoma [55]
3 years ago
15

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.
Mathematics
1 answer:
sleet_krkn [62]3 years ago
4 0

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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Answer:

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