Find the Least Common Denominator of the Rational Expressions $\frac { 3 } { x ^ { 2 } + 3 x }$

question 18

Multiple Choice

Find the least common denominator of the rational expressions.
- $\frac { 3 } { x ^ { 2 } + 3 x }$ and $\frac { 9 } { x ^ { 2 } + 9 x + 18 }$

• A) \(x ( x - 3 ) ^ { 2 }\)
• B) \(x ( x + 3 ) ^ { 2 } ( x + 6 )\)
• C) \(x ( x - 3 ) ( x + 6 )\)
• D) \(x ( x + 3 ) ( x + 6 )\)

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