Respuesta :

Answer:

7x+21

Step-by-step explanation:

Answer:

7x + 21

Step-by-step explanation:

Given

  • 7(x + 3)

Solving

  • Use the Distributive Property ⇒ x(a + b) = xa + xb
  • 7(x) + 7(3)
  • 7x + 21