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

The solution to (-2)^2-3(-2) is 10

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

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

10

Solution steps

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

Follow the PEMDAS order of operations

Calculate exponents

(- 2)^{2} : 4

(- 2)^{2}

Apply exponent rule:

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

n

is even

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

= 4

= 4 - 3 (- 2)

Multiply and divide (left to right)

3 (- 2) : - 6

3 (- 2)

Apply rule

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

3 (- 2) = - 3 \cdot 2 = - 6

= - 6

= 4 - (- 6)

Add and subtract (left to right)

4 - (- 6) : 10

4 - (- 6)

Apply rule

- (- a) = + a

- (- 6) = + 6

= 4 + 6

4 + 6 = 10

= 10

= 10

(\frac{1}{5} + \frac{2}{3}) \div \frac{3}{5}

8^{2} - 8^{3}

- 2 \cdot 1 - 5

6 (6 \cdot 6) + 6 (4 \cdot 4) - 2 (4 \cdot 4)

4 \cdot 3^{5} + 3 \cdot 3^{5} + 11 \cdot 3^{5}