Precalculus Examples

$\sqrt{x} = 3$

To remove the radical on the left side of the equation, square both sides of the equation.

${(\sqrt{x})}^{2} = {(3)}^{2}$

Simplify the left side of the equation.

$x = {(3)}^{2}$

Raise $3$ to the power of $2$ .

$x = 9$

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