Factor the Trinomial Completely $2 x ^ { 2 } - 20 x + 42$

Multiple Choice

Factor the trinomial completely. If the polynomial cannot be factored, write "prime."
- $2 x ^ { 2 } - 20 x + 42$

A) 2(x + 7) (x + 3)
B) 2(x - 7) (x - 3)
C) (x + 7) (2x + 6)
D) (2x + 7) (x + 3)