Basic Math Examples

$- 5 \sqrt{18 k}$

Step 1

Rewrite $18 k$ as $3^{2} \cdot (2 k)$ .

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Step 1.1

Factor $9$ out of $18$ .

$- 5 \sqrt{9 (2) k}$

Step 1.2

Rewrite $9$ as $3^{2}$ .

$- 5 \sqrt{3^{2} \cdot 2 k}$

Step 1.3

Add parentheses.

$- 5 \sqrt{3^{2} \cdot (2 k)}$

$- 5 \sqrt{3^{2} \cdot (2 k)}$

Step 2

Pull terms out from under the radical.

$- 5 (3 \sqrt{2 k})$

Step 3

Multiply $3$ by $- 5$ .

$- 15 \sqrt{2 k}$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$