Photos 2Х2 6Х

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2х2 6х. Х3 + 9х -10 = (х-1) (х2 + х +10). (Х-2)(Х-4)=8. (2х-10)(х+1):2-х. Х+4=12.
Х3 + 9х -10 = (х-1) (х2 + х +10). (Х-2)(Х-4)=8. (2х-10)(х+1):2-х. Х+4=12.

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