Respuesta :

Answer:

120

Step-by-step explanation:

3(x+4)(x+1)

3((4)+4) ((4)+1)

(12 + 12)(4+1)

(24)(5)

120

If you need the other function, here:

(4+2)(4-2)

6(2)

12

Answer:

below

Step-by-step explanation:

3×x=12

3×4=12

3(x+4)=12+12+12+3=39