The solution to -2(-4)^2+4 is -28

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-2(-4)^2+4

Solution

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

- 28

Solution steps

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

Follow the PEMDAS order of operations

Calculate exponents

(- 4)^{2} : 16

(- 4)^{2}

Apply exponent rule:

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

n

is even

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

= 16

= - 2 \cdot 16 + 4

Multiply and divide (left to right)

- 2 \cdot 16 : - 32

- 2 \cdot 16

- 2 \cdot 16 = - 32

= - 32

= - 32 + 4

Add and subtract (left to right)

- 32 + 4 : - 28

- 32 + 4

- 32 + 4 = - 28

= - 28

= - 28

9 \cdot 10 + 6^{2}

20 + {[7 + 5 + (- 9 + 7) + 3]}

\frac{108 + 72 + 12 - 36}{12}

9 (52 \div 3) - 150

\frac{1}{3} + 4 \times \frac{1}{5}