Simplify the Expression $$\sqrt { 9 x ^ { 2 } }$$

question 126

Multiple Choice

Simplify the expression.
- $$\sqrt { 9 x ^ { 2 } }$$

• A) \(3 x ^ { 2 }\)
• B) \(9 x\)
• C) \(- 3 x\)
• D) \(3 | \mathrm { x } |\)

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