Mashaal Masha
$x^{2}+6x + 4$

Which of the following is equivalent to the expression above?
Difficulty: Medium
A: 

$(x+3)^{2}+5$

B: 

$(x+3)^{2}-5$

C: 

$(x-3)^{2}+5$

D: 

$(x-3)^{2}-5$

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