Respuesta :

Answer:

x² + 9x + 8

Step-by-step explanation:

Given dimensions of the figure :

  • (x + 1)
  • (x + 8)

Area of rectangle

  • Area = (x + 1)(x + 8)
  • Area = x² + x + 8x + 8
  • Area = x² + 9x + 8