Factor Completely Using the Trial and Error Method to Factor $10 y ^ { 2 } + 45 y - 25$

Multiple Choice

Factor completely using the trial and error method to factor trinomials. If unfactorable, indicate that the polynomial is
prime.
- $10 y ^ { 2 } + 45 y - 25$

A) $( 10 y - 5 ) ( y + 5 )$
B) $5 ( 2 y + 1 ) ( y - 5 )$
C) $5 ( 2 y - 1 ) ( y + 5 )$
D) prime