$$ \begin{align*} \textbf{Aufgabe} \&\ a) ( 17 + 30) + ( -82 + 5 ) = ? \&b) \frac{ 2 x^{2}+ -82 x - 17 }{(x- 5 )^{2}}= ? \&c) { 4 }^{ 2 } + 3 \cdot 2 = ? \&d) X^{3} - -82 X - -82 + 10 X^{2}-\frac{1}{ 17 } X^{2} = 0 \&\end{align*} $$