Precalculus Examples

$\sqrt{54}$

Step 1

Rewrite $54$ as $3^{2} \cdot 6$ .

Tap for more steps...

Step 1.1

Factor $9$ out of $54$ .

$\sqrt{9 (6)}$

Step 1.2

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

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

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

Step 2

Pull terms out from under the radical.

$3 \sqrt{6}$

Step 3

The result can be shown in multiple forms.

Exact Form:

$3 \sqrt{6}$

Decimal Form:

$7.34846922 \dots$

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