(x^2-2x^3+6x)/(-2x)-(x-1)^2
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(x^2-2x^3+6x)/(-2x)-(x-1)^2(x^2-2x^3+6x)/(-2x)-(x-1)^2(x^2-2x^3+6x)/(-2x)-(x-1)^2解由(x^2-2x^3+6x)/(-2
(x^2-2x^3+6x)/(-2x)-(x-1)^2
(x^2-2x^3+6x)/(-2x)-(x-1)^2
(x^2-2x^3+6x)/(-2x)-(x-1)^2
解由(x^2-2x^3+6x)/(-2x)-(x-1)^2
=-x/2+x^2-3-(x^2-2x+1)
=-x/2+x^2-3-x^2+2x-1
=-x/2+2x+x^2-x^2-1-3
=3x/2-4
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