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Pls help. Am desperate. (dont give wrong answer pls) Look at the image!

Pls Help Am Desperate Dont Give Wrong Answer Pls Look At The Image class=

Sagot :

sqdancefan

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Answer:

  C.  6x² +20x +30

Step-by-step explanation:

The perimeter of a rectangle is given by the formula ...

  P = 2(L +W)

Substituting the given length and width, you have ...

  P = 2((3x² +7x +9) +(3x +6))

Simplifying gives ...

  P = 2(3x² +10x +15)

  P = 6x² +20x +30

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Additional comment

"Standard form" has the terms in order of decreasing exponents. The expression of choice D is equivalent, but is not in standard form.

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