$\"\"$

\

The equation is $\"\"$ .

\

Solve the equation.

\

$\"\"$ (Original equation)

\

$\"\"$ (Subtract $\"\"$ from each side)

\

$\"\"$ (Apply additive inverse property: $\"\"$ )

\

$\"\"$ (Take square each side)

\

$\"\"$ (Cancel square root terms)

\

$\"\"$ (Add $\"\"$ to each side)

\

$\"\"$ (Apply additive inverse property: $\"\"$ )

\

$\"\"$ (Divide each side by $\"\"$ )

\

$\"\"$ (Cancel common terms)

\

$\"\"$

\

Check solution for $\"\"$ -values.

\

$\"\"$ (Original equation)

\

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

\

$\"\"$ (Simplify)

\

$\"\"$ (Subtract: $\"\"$ )

\

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

\

$\"\"$ (Add: $\"\"$ )

\

$\"\"$

\

The value of $\"\"$ is $\"\"$ .