Solve the Equation $\sqrt{\mathrm{x}}=20-\mathrm{x}$ A) $\{9,-9\}$ B) $\{-25,-16\}$ C) $\{16\}$ D) $\{\sqrt{20},-\sqrt{20}\}$

Multiple Choice

Solve the equation.
- $\sqrt{\mathrm{x}}=20-\mathrm{x}$

A) $\{9,-9\}$
B) $\{-25,-16\}$
C) $\{16\}$
D) $\{\sqrt{20},-\sqrt{20}\}$