Solve the Equation $x ^ { 2 } - 3 x - 70 = 0$

Multiple Choice

Solve the equation. $x ^ { 2 } - 3 x - 70 = 0$

A) $\{ - 10,7 \}$
B) $\{ 10 , - 7 \}$
C) $\{ - 10 , - 7 \}$
D) $\{ 10,7 \}$
E) none of these