Solve $x ^ { 2 } + x - 30 \geq 0$

Multiple Choice

Solve: $x ^ { 2 } + x - 30 \geq 0$

A) $[ - 6,5 ]$
B) $( - \infty , - 6 ] \cup [ 5 , \infty )$
C) $( - \infty , - 5 ] \cup [ 6 , \infty )$
D) $[ 5 , \infty )$