Simplify the Expression $\sqrt { 5 x } + 7 \sqrt { 125 x } + 4 \sqrt { 80 x }$

question 121

Multiple Choice

Simplify the expression. Assume all variables represent positive real numbers.
- $\sqrt { 5 x } + 7 \sqrt { 125 x } + 4 \sqrt { 80 x }$

• A) \(51 \sqrt { 5 x }\)
• B) \(52 \sqrt { 5 x }\)
• C) \(12 \sqrt { 210 x }\)
• D) \(11 \sqrt { 210 x }\)