CPM Homework Help : CCA2 Problem 8-145

8-145.

Solve $\sqrt { x ^ { 2 } + 6 }= x + 2$ .

Hint:

Start by squaring both sides of the equation.

More Help:

$x^² + 6 = x^² + 4x + 4$

Answer:

$\frac{1}{2}$