Respuesta :

altavistard

Answer:

P = 9x^2 - 12x + 27

Step-by-step explanation:

The perimeter of an equilateral triangle is 3 times the length of one side.  Thus, the perimeter of the triangle whose side length is 3x^2 - 4x + 9 is

P = 3(3x^2 - 4x + 9), or:

P = 9x^2 - 12x + 27

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