Find the roots of the quadratic equation $x^{2}+10x+7=0$ by using the method of completing the square.
- A$-5-3\sqrt{2}$ and $-5-3\sqrt{2}$
- B$-5+3\sqrt{2}$ and $-5-3\sqrt{2}$
- C$5+3\sqrt{2}$ and $5+3\sqrt{2}$
- D$-5+3\sqrt{2}$ and $5+3\sqrt{2}$
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