Answer:
120
Step-by-step explanation:
3(x+4)(x+1)
3((4)+4) ((4)+1)
(12 + 12)(4+1)
(24)(5)
If you need the other function, here:
(4+2)(4-2)
6(2)
12
below
3×x=12
3×4=12
3(x+4)=12+12+12+3=39