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Автор - AsiKozdzhuoglu

задание 5 очень срочно ​

Ответ

Автор - obugrova20

Ответ:

Объяснение:

а)х²-6х+8 = х²-6х+9-1 =  (х-3)²-1 = (х-3-1)*(х-3+1) = (х-4)*(х-2)

б)х²-6х+8=0   Д = 36-32 = 4   х1=(6-2) / 2 = 2    х2 = (6+2) / 2 = 4

Х²+6Х+8 = (х-2)*(х-4)

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