Factor the Trinomial Completely $x ^ { 2 } + x - 56$

Multiple Choice

Factor the trinomial completely. If the polynomial cannot be factored, write "prime."
- $x ^ { 2 } + x - 56$

A) prime
B) $( x - 7 ) ( x + 8 )$
C) $( x + 1 ) ( x - 56 )$
D) $( x - 8 ) ( x + 7 )$