Simplify the Rational Expression $$\frac { x ^ { 2 } + 5 x + 4 } { x ^ { 2 } + 7 x + 12 } \cdot \frac { x ^ { 2 } - 8 x + 15 } { x ^ { 2 } - 4 x - 5 }$$

question 113

Multiple Choice

Simplify the rational expression. (Assume the denominator is nonzero.)
- $$\frac { x ^ { 2 } + 5 x + 4 } { x ^ { 2 } + 7 x + 12 } \cdot \frac { x ^ { 2 } - 8 x + 15 } { x ^ { 2 } - 4 x - 5 }$$

• A) \(\frac { x - 3 } { x + 3 }\)
• B) \(- 1\)
• C) \(\frac { x + 3 } { x - 3 }\)
• D) 1

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