If $-3$ is a root of a quadratic equation $x^{2}+3(k+2)x-9=0$,then $k=\ldots \ldots \ldots \ldots .$
- A$2$
- B$-2$
- C$3$
- D$-3$
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$x=2$ is a solution of the equation $\ldots \ldots \ldots \ldots.$
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