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

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-2(-2)^2+4

Solution

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

- 4

Solution steps

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

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

= - 2 \cdot 4 + 4

Multiply and divide (left to right)

- 2 \cdot 4 : - 8

- 2 \cdot 4

- 2 \cdot 4 = - 8

= - 8

= - 8 + 4

Add and subtract (left to right)

- 8 + 4 : - 4

- 8 + 4

- 8 + 4 = - 4

= - 4

= - 4

3 (2) + 5

3 (2) + 3

- 51 + ((- 5 + (- 4)))

\frac{4 - 2 ( - 5 )}{4 - 4}

\frac{1}{3} (3)^{3}