Photos 2Х2 6Х

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2х2 6х. Х2-7х=6х-15-х2. 7х^2-х-6/2х^2-3х+1. 2х2х0,6. Х2=7х.
Х2-7х=6х-15-х2. 7х^2-х-6/2х^2-3х+1. 2х2х0,6. Х2=7х.

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