Factor the Trinomial Completely $-m^{2}+5 m+50$ A) $(10-m)(m-5)$ B) Prime
C) $(10-m)(m+5)$ D) $(m+10)(m-5)$

Factor the trinomial completely.
- $-m^{2}+5 m+50$

A) $(10-m) (m-5)$
B) Prime
C) $(10-m) (m+5)$
D) $(m+10) (m-5)$