Respuesta :

mhanifa

Step-by-step explanation:

A number diminished by 6:

  • n - 6

Sum of 5 and a number diminished by 6:

  • 5 + n - 6 =
  • n - 1

The square of the sum of five and a number diminished by 6:

  • (n - 1)² =
  • n² - 2n + 1