### Perform the indicated operation(s) on the matrix.

\(\left[\begin{array}{rrr|r}1 & 3 & -5 & 30 \\
-1 & 5 & -5 & 36 \\
-4 & -5 & -1 & -1\end{array}\right]\begin{array}{ll}\phantom{1} & \\
\phantom{1} & R_1 + R_2 \to R_2 \\
\phantom{1} & 4R_1 + R_3 \to R_3\end{array}\)