Solve the Equation by Factoring $$x ^ { 2 } = x + 72$$

Multiple Choice

Solve the equation by factoring.
- $$x ^ { 2 } = x + 72$$

A) $\{ - 8,9 \}$
B) $\{ 8,9 \}$
C) $\{ 1,72 \}$
D) $\{ - 8 , - 9 \}$