Solve the given equation over the real numbers.
(
r
+
5
)
2
+
9
(
r
+
5
)
+
20
=
0
\displaystyle {\left({r}+{5}\right)}^{{2}}+{9}{\left({r}+{5}\right)}+{20}={0}
(
r
+
5
)
2
+
9
(
r
+
5
)
+
20
=
0
r
=
\displaystyle {r}=
r
=
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Enter your answer as a list of values separated by commas: Example: -4, 3, 2
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