Respuesta :

Answer:

1/3x^2 - 5x - 56

Step-by-step explanation:

Use order of operations (PEMDAS).

1/3 × x2 - 5x + 7 ( -8 )

Parentheses first:-

= 1/3 * x^2 - 5x  - 56

Next the multiplication:-

= 1/3x^2 - 5x - 56   (answer)