Simplify the Radical Expression $\sqrt{25 x^{2}+40 x+16}$ A) $|5 x+4|$ B) $|5 x|+4$

Multiple Choice

Simplify the radical expression. If appropriate, include absolute values.
- $\sqrt{25 x^{2}+40 x+16}$

A) $|5 x+4|$
B) $|5 x|+4$
C) $5 x+4$
D) $5 x+\sqrt{20 x}$