Algebra Examples

$x^{2} - 81 = 0$

Step 1

Add $81$ to both sides of the equation.

$x^{2} = 81$

Step 2

This equation cannot be solved by completing the square.

Cannot solve by completing the square.

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