Finite Math Examples

$x^{2} + 2^{2} - 12 = 0$

Step 1

Simplify the equation into a proper form to complete the square.

Tap for more steps...

Step 1.1

Simplify $x^{2} + 2^{2} - 12$ .

Tap for more steps...

Step 1.1.1

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

$x^{2} + 4 - 12 = 0$

Step 1.1.2

Subtract $12$ from $4$ .

$x^{2} - 8 = 0$

Step 1.2

Add $8$ to both sides of the equation.

$x^{2} = 8$

Step 2

This equation cannot be solved by completing the square.

Cannot solve by completing the square.