Answer: 40
Concept:
When encountering questions that ask for simplifying expressions, the easiest way is to follow the PEMDAS method:
- Parentheses
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Solve:
Given
2 · (3 (5 + 2) - 1)
Simplify parentheses by addition
=2 · (3 × 7 - 1)
Simpify multiplication first, then subraction
= 2 · (21 - 1)
= 2 · 20
Simplify multiplication
= 40
Hope this helps!! :)
Please let me know if you have any questions
