Respuesta :

Answer:

10x² + 12x + 16

Step-by-step explanation:

Perimeter = 2(length + width)

Solve: Plug in given information:

  • 2(5x² + 5x + 5 + x + 3)
  • 2(5x² + 6x + 8)
  • 10x² + 12x + 16

-Chetan K