What is 9^2-(5+2*6^2) ?

The solution to 9^2-(5+2*6^2) is 4

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9^2-(5+2*6^2)

9^{2} - (5 + 2 \cdot 6^{2})

4

Solution steps

9^{2} - (5 + 2 \cdot 6^{2})

Follow the PEMDAS order of operations

Calculate within parentheses

(5 + 2 \cdot 6^{2}) : 77

= 9^{2} - 77

Calculate exponents

9^{2} : 81

= 81 - 77

Add and subtract (left to right)

81 - 77 : 4

= 4

5 \times 4 - 3 (5 - 6 + 4 \div 2)

- 6 - (9 - 2)^{2} + (- 9)^{2} - (2)

[21 \div (7 \cdot 3)] + 4 (5 - 1)

- (- 1)^{2} - 2 (- 1)

- (2)^{2} + 3 (2) - 2