Images 12Х 2Х

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12х 2х. Х^2/Х^2-9=12-7х/9-х^2. Х2 +9х +18=0 х2-4х-21=0. (2х+7х-9)-2х-3х-12. 9/Х-2=9/2.
Х^2/Х^2-9=12-7х/9-х^2. Х2 +9х +18=0 х2-4х-21=0. (2х+7х-9)-2х-3х-12. 9/Х-2=9/2.

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