Answer: -x+5/(x-1)(x+3)
Explanation:
Subtract 3/(x-1)-4(x+3)
3(x+3)/(x-1)(x+3)-4(x-1)/(x+3)(x-1)
= 3x+9/(x-1)(x+3)-4x+4/(x+3)(x-1)
= -x+5/(x-1)(x+3)
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