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Ответ

Ответ дан
LFP

Ответ: x = √6 - 8; x = -√6 - 8

Объяснение:

замена: х+8=t

тогда

(t-2)(t-1)*(t+1)(t+2)=10

(t²-4)(t²-1)=10

(t²)² - 5t² - 6 = 0 -биквадратное уравнение; по т.Виета корни:

t² = 6

t² = -1 -посторонний корень

х+8=√6; x = √6 - 8

х+8=-√6; x = -√6 - 8

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