What is (-2)^3-12(-2) ?

The solution to (-2)^3-12(-2) is 16

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(-2)^3-12(-2)

(- 2)^{3} - 12 (- 2)

16

Solution steps

(- 2)^{3} - 12 (- 2)

Follow the PEMDAS order of operations

Calculate exponents

(- 2)^{3} : - 8

(- 2)^{3}

Apply exponent rule:

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

n

is odd

(- 2)^{3} = - 2^{3} = - 8

= - 8

= - 8 - 12 (- 2)

Multiply and divide (left to right)

12 (- 2) : - 24

12 (- 2)

Apply rule

a \cdot (- b) = - a \cdot b

12 (- 2) = - 12 \cdot 2 = - 24

= - 24

= - 8 - (- 24)

Add and subtract (left to right)

- 8 - (- 24) : 16

- 8 - (- 24)

Apply rule

- (- a) = + a

- (- 24) = + 24

= - 8 + 24

- 8 + 24 = 16

= 16

= 16

375 \div (25 \cdot 3)

1 5^{2} + 1 2^{2}

5^{2} + 1 0^{2}

1 \times (- 4) - 8 \times \frac{9}{- 3}

9 - 4 - (2 - 5 + 2) - 7 + 3 - 9