Question

(4 - 1)[(1 + 6) + 2]

Answer 1

1+6 = 7
7 + 2 = 9

4 - 1 = 3

(3)(9) = 27

27 is your answer

hope this helps

Answer 2

To solve this equation, you would need to use the order of operations or PEMDAS. 
Parentheses
Exponents
Multiplication
Division
Addition
Subtraction

First, you would solve what is inside the innermost parentheses. 
(4 - 1)[(1 + 6) + 2] 
(4 - 1)[ 7 + 2]

(4 - 1)[ 7 + 2]
(4 - 1)[ 9 ]

(4 - 1)[ 9 ]
3 × 9 = 27

Your answer would be 27. 

I hope this helps!