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

The solution to -4-(1-5)-(-4)^2 is -16

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-4-(1-5)-(-4)^2

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

- 16

Solution steps

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

Follow the PEMDAS order of operations

Calculate within parentheses

(1 - 5) : - 4

1 - 5

1 - 5 = - 4

= - 4

= - 4 - (- 4) - (- 4)^{2}

Calculate exponents

(- 4)^{2} : 16

(- 4)^{2}

Apply exponent rule:

(- a)^{n} = a^{n},

n

is even

(- 4)^{2} = 4^{2} = 16

= 16

= - 4 - (- 4) - 16

Add and subtract (left to right)

- 4 - (- 4) - 16 : - 16

- 4 - (- 4) - 16

Apply rule

- (- a) = + a

- (- 4) = + 4

= - 4 + 4 - 16

- 4 + 4 = 0

= 0 - 16

0 - 16 = - 16

= - 16

= - 16

15 \cdot 18 + \frac{12}{3} + 9

3 - {2 - [1 + (4 + 5) - (6 + 3)] + 1}

6 \div 2 (1 + 2)

6 \div 2 (2 + 1)

48 \div 2 (9 + 3)