What is -(-1^2)-4+5 ?

The solution to -(-1^2)-4+5 is 2

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-(-1^2)-4+5

- (- 1^{2}) - 4 + 5

2

Solution steps

- (- 1^{2}) - 4 + 5

Follow the PEMDAS order of operations

Calculate within parentheses

(- 1^{2}) : - 1

- 1^{2}

- 1^{2} = - 1

= - 1

= - (- 1) - 4 + 5

Add and subtract (left to right)

- (- 1) - 4 + 5 : 2

- (- 1) - 4 + 5

Apply rule

- (- a) = a

- (- 1) = 1

= 1 - 4 + 5

1 - 4 = - 3

= - 3 + 5

- 3 + 5 = 2

= 2

= 2

10 - 2^{3}

10 - 2^{2}

14 + (6 \div 2)

16 - \frac{3}{4}

2 (- 8) - 5 (- 4)