Упростите выражение, плиз. (3/х+4 + 6х/х^2+х-12 - 1/х-3):8х-13/х^2-16
(3/x+4+6x/ (x+4)(x-3) -1/x-3:8х-13/х^2-16 = (3x-9+6x-x-4/ (x+4)(x-3)):8х-13/(x-4)(x+4)=(8x-13/(x+4)(x-3))*((x-4)(x+4)/8x-13)=(x-4)/(x-3)
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(3/x+4+6x/ (x+4)(x-3) -1/x-3:8х-13/х^2-16 = (3x-9+6x-x-4/ (x+4)(x-3)):8х-13/(x-4)(x+4)=(8x-13/(x+4)(x-3))*((x-4)(x+4)/8x-13)=(x-4)/(x-3)