Add or Subtract $\sqrt { 5 a } - 2 \sqrt { 80 a } - 6 \sqrt { 125 a }$

question 241

Multiple Choice

Add or subtract. Assume all variables represent positive real numbers.
- $\sqrt { 5 a } - 2 \sqrt { 80 a } - 6 \sqrt { 125 a }$

• A) \(- 8 \sqrt { 210 a }\)
• B) \(- 37 \sqrt { 5 a }\)
• C) \(- 8 \sqrt { 5 a }\)
• D) \(- 37 \sqrt { 210 a }\)

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