Perform the Indicated Operation $\sqrt { 252 x ^ { 3 } } - 2 \sqrt { 28 x ^ { 3 } }$

question 210

Multiple Choice

Perform the indicated operation. Assume that all variables represent positive real numbers.
- $\sqrt { 252 x ^ { 3 } } - 2 \sqrt { 28 x ^ { 3 } }$

• A) \(2 x \sqrt { 7 x }\)
• B) \(2 \sqrt { 7 x ^ { 3 } }\)
• C) \(- 2 \sqrt { 224 \mathrm { x } ^ { 3 } }\)
• D) \(10 x \sqrt { 7 x }\)

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