Basic Math Examples

$3 \sqrt{4 \cdot 9}$

Step 1

Multiply $4$ by $9$ .

$3 \sqrt{36}$

Step 2

Rewrite $36$ as $6^{2}$ .

$3 \sqrt{6^{2}}$

Step 3

Multiply.

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Step 3.1

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

$3 \cdot 6$

Step 3.2

Multiply $3$ by $6$ .

$18$