Find the X Intercepts Of $f ( x ) = 2 x ^ { 2 } - 11 x - 21$

Multiple Choice

Find the x intercepts of $f ( x ) = 2 x ^ { 2 } - 11 x - 21$ .

A) $- \frac { 3 } { 2 }$ and 7
B) $- 21$
C) $- \frac { 3 } { 2 }$ and $- 7$
D) $- \frac { 2 } { 3 }$ and 7