y=(x-3)(x^2+2x-8)/2-x
упростите, пожалуйста!!
(x-3)(x^2+2x-8)/2-x=(x-3)(x-2)(x+4)\(-(x-2))=-(x-3)(x+4)=-x^2-x+12
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(x-3)(x^2+2x-8)/2-x=(x-3)(x-2)(x+4)\(-(x-2))=-(x-3)(x+4)=-x^2-x+12