16-x^2/x^2-2x-3÷1^2-5x+4/x-3
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16-x^2/x^2-2x-3÷1^2-5x+4/x-3
16-x^2/x^2-2x-3÷1^2-5x+4/x-3
=(16-x²)/(x-3)(x+1)×(x-3)/(x-1)(x-4)
=-(x+4)/(x²-1)
很高兴为您解答,skyhunter002为您答疑解惑
如果本题有什么不明白可以追问,
=(16-x²)/(x-3)(x+1)×(x-3)/(x-1)(x-4)
=-(x+4)/(x²-1)
很高兴为您解答,skyhunter002为您答疑解惑
如果本题有什么不明白可以追问,
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