Fill in the Missing Factor $y ^ { 2 } - y - 210 = ( y + 14 ) ( - )$

Multiple Choice

Fill in the missing factor. $y ^ { 2 } - y - 210 = ( y + 14 ) ( - )$

A) $y - 15$
B) $15 - y$
C) $y + 15$
D) $y + 14$
E) $y - 14$