Algebra Examples

$\sqrt{81} \cdot \sqrt{36}$

Step 1

Rewrite $81$ as $9^{2}$ .

$\sqrt{9^{2}} \cdot \sqrt{36}$

Step 2

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

$9 \cdot \sqrt{36}$

Step 3

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

$9 \cdot \sqrt{6^{2}}$

Step 4

Multiply.

Tap for more steps...

Step 4.1

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

$9 \cdot 6$

Step 4.2

Multiply $9$ by $6$ .

$54$