What is 8^2-(2*9+5^2) ?

The solution to 8^2-(2*9+5^2) is 21

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8^2-(2*9+5^2)

8^{2} - (2 \cdot 9 + 5^{2})

21

Solution steps

8^{2} - (2 \cdot 9 + 5^{2})

Follow the PEMDAS order of operations

Calculate within parentheses

(2 \cdot 9 + 5^{2}) : 43

= 8^{2} - 43

Calculate exponents

8^{2} : 64

= 64 - 43

Add and subtract (left to right)

64 - 43 : 21

= 21

- 6 \times 8 \div 16

- [- (- 16) + 10]

\frac{5 \times 8 + 2}{3}

5 (8) + 7

(- 1)^{2} - 6