化简(x^5+3x^3)/x^3 - (x+1)^2
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化简(x^5+3x^3)/x^3-(x+1)^2化简(x^5+3x^3)/x^3-(x+1)^2化简(x^5+3x^3)/x^3-(x+1)^2(x^5+3x^3)/x^3-(x+1)^2=x^5/x
化简(x^5+3x^3)/x^3 - (x+1)^2
化简(x^5+3x^3)/x^3 - (x+1)^2
化简(x^5+3x^3)/x^3 - (x+1)^2
(x^5+3x^3)/x^3 - (x+1)^2
=x^5/x^3+3x^3/x^3 - (x+1)^2
=x²+3-x²-2x-1
=-2x+2
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