Images 3.2 Х

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3.2 х. Х2-9/х3+2х2+9. Х3+х2-9х-9 0. (Х+3)(Х-2)(3х-9)<0. 2х-3*(9-х)=-9.
Х2-9/х3+2х2+9. Х3+х2-9х-9 0. (Х+3)(Х-2)(3х-9)<0. 2х-3*(9-х)=-9.