Find all the values of x\displaystyle {x} such that the given series would converge.

∑n=1∞xn(9)n(n+6)\displaystyle {\sum_{{{n}={1}}}^{\infty}}{\frac{{{x}^{{n}}}}{{{\left({9}\right)}^{{n}}{\left(\sqrt{{{n}}}+{6}\right)}}}}

The series is convergent
from x=\displaystyle {x}=   , left end included (enter Y or N):
to x=\displaystyle {x}=   , right end included (enter Y or N):

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