Basic Math Examples

- 4 \sqrt{5} \sqrt{4}

$- 4 \sqrt{5} \sqrt{4}$

Step 1

Rewrite

4

$4$ as

2^{2}

$2^{2}$ .

- 4 \sqrt{5} \sqrt{2^{2}}

$- 4 \sqrt{5} \sqrt{2^{2}}$

Step 2

Pull terms out from under the radical, assuming positive real numbers.

- 4 \sqrt{5} \cdot 2

$- 4 \sqrt{5} \cdot 2$

Step 3

Multiply

2

$2$ by

- 4

$- 4$ .

- 8 \sqrt{5}

$- 8 \sqrt{5}$

Step 4

The result can be shown in multiple forms.

Exact Form:

- 8 \sqrt{5}

$- 8 \sqrt{5}$

Decimal Form:

- 17.88854381 \dots

$- 17.88854381 \dots$