Answer:
A
Step-by-step explanation:
Our equation is: 9² + 2[(5 + 2)² - 4]. We need to use PEMDAS: parentheses, exponents, multiplication, division, addition, and subtraction.
The first thing to do is to add the 5 and 2 in the parentheses:
9² + 2[(5 + 2)² - 4]
9² + 2[(7)² - 4]
Then square the 7:
9² + 2[(7)² - 4]
9² + 2[49 - 4]
Do the subtraction operation within the parentheses/brackets:
9² + 2[49 - 4]
9² + 2[45]
Square 9:
9² + 2[45]
81 + 2[45]
Multiply 2 by 45:
81 + 2[45]
81 + 90
Thus, the answer is A.
