Simplify the rational expression for all valid .
Answer and explanation
Correct answer: C.
- Step 1: Factor numerator: .
- Step 2: Factor denominator: .
- Step 3: Cancel common factor : .
Answer
\frac{x - 3}{x + 2}.
Why not the others: '' cancels incorrectly; '' cancels instead of ; '' cancels illegally across addition.
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