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

The solution to 4(-4)^2-(-4) is 68

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4(-4)^2-(-4)

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

68

Solution steps

4 (- 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

= 4 \cdot 16 - (- 4)

Multiply and divide (left to right)

4 \cdot 16 : 64

4 \cdot 16

4 \cdot 16 = 64

= 64

= 64 - (- 4)

Add and subtract (left to right)

64 - (- 4) : 68

64 - (- 4)

Apply rule

- (- a) = + a

- (- 4) = + 4

= 64 + 4

64 + 4 = 68

= 68

= 68

4 (- 1) + 8

- 5 + 8 - 9 + 7 + 6 + 10 - 4 - 1

20 - 6 \cdot \frac{20}{14}

2 (0)^{2} - (0) - 1

5 (\frac{1}{5}) + \frac{1}{5} (15)