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x_{n+1}=x_{n}-\frac{f\left(x_{n}\right)}{f^{\prime}\left(x_{n}\right)}=x_{n}-\frac{2 x_{n}+x_{n} \sin \left(x_{n}+3\right)-5}{2+x_{n} \cos \left(x_{n}+3\right)+\sin \left(x_{n}+3\right)}