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Simplify: x^2-9/x^2-6x+9
A. x+3/x-3
B. -9//6x+9
C. 1/6x-9
D. x-3/x+3

User Gdegani
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1 Answer

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x^2-9/x^2-6x+9 = (x-3)(x+3) / (x-3)^2 = x+3/x-3  
User ChadNC
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