Basic Math Examples

$\sqrt[3]{4} - \sqrt[3]{8}$

Step 1

Rewrite $8$ as $2^{3}$ .

$\sqrt[3]{4} - \sqrt[3]{2^{3}}$

Step 2

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

$\sqrt[3]{4} - 1 \cdot 2$

Step 3

Multiply $- 1$ by $2$ .

$\sqrt[3]{4} - 2$

Step 4

The result can be shown in multiple forms.

Exact Form:

$\sqrt[3]{4} - 2$

Decimal Form:

$- 0.41259894 \dots$