Solve sqrt{-4}-sqrt{-16}

$$\sqrt { - 4 } - \sqrt { - 16 }$$

Evaluate (complex solution)

$$-2i$$

Solution Steps

Calculate the square root of -4 and get 2i.

$$2i-\sqrt{-16}$$

Calculate the square root of -16 and get 4i.

$$2i-4i$$

Subtract 4i from 2i to get -2i.

$$-2i$$

Real Part (complex solution)

$$0$$

Solution Steps

Calculate the square root of -4 and get 2i.

$$Re(2i-\sqrt{-16})$$

Calculate the square root of -16 and get 4i.

$$Re(2i-4i)$$

Subtract 4i from 2i to get -2i.

$$Re(-2i)$$

The real part of -2i is 0.

$$0$$

Evaluate

$$\text{Indeterminate}$$