$\"\"$

The equation is $\"\"$ .

Check whether $\"\"$ is a solution of the equation.

Substitute $\"\"$ in the equation.

$\"\"$ (Write the equation)

$\"\"$ (Substitute $\"\"$ )

$\"\"$ (Divide: $\"\"$ )

$\"\"$ is not a solution. $\"\"$

$\"\"$ is not a solution.