Photos Х2 8Х

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Х2 8х. 0,9(283-Х)=17,01. Х2 2х+8. 17х-8х2=0. Х² - 2х + 17 = 0.
0,9(283-Х)=17,01. Х2 2х+8. 17х-8х2=0. Х² - 2х + 17 = 0.

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