The answer is nine hope this helps :)
Answer:
14
Step-by-step explanation:
Answer:
option 3 is the correct.....
Step-by-step explanation:
multiplying all the algebraic expressions
volume of cuboid = 3x (x+3)(x+1)
= 3x³ + 12x² + 9x
Since the signs are different, you have to subtract. 2