Simplify Remember That We Have Assumed That Radicands Do Not $\sqrt{25 x^{2}}$

Multiple Choice

Simplify. Remember that we have assumed that radicands do not represent the square of a negative number.
- $\sqrt{25 x^{2}}$

A) $-5 x$
B) $25 x$
C) $5 x^{2}$
D) $5 x$