Mashaal Masha
$\sqrt{2x + 6} + 4 = x + 3$

What is the solution set of the equation above?
Difficulty: Hard
A: 

$\{-1\}$

B: 

$\{5\}$

C: 

$\{-1,5\}$

D: 

$\{0,-1,5\}$

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