Respuesta :

3X - 9

Step-by-step explanation:

Step 1:

The expression given in question is [tex](X-3)(2+1)[/tex]

On solving

[tex](X-3)(3)[/tex]

Step 2:

Solving the above expression

(3X - 9)

(x-3)(2+1)
(x-3) x 3
3x-9