Solve the Equation $\log x + 7 \sqrt { \log x } - 18 = 0$

Multiple Choice

Solve the equation.
- $\log x + 7 \sqrt { \log x } - 18 = 0$

A) $\{ 2 \}$
B) $\{ - 9,2 \}$
C) $\{ 10,000 \}$
D) { }