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Sagot :

J’espère que ça va t’aider :)
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LAPERAU24

Réponse:

Bonsoir

x² + 1 = 6x + 8

x² + 1 - 6x - 8 = 0

x² - 6x + 1 - 8 = 0

x² - 6x - 7 = 0

x × x - 6 × x - 7 = 0

= (x -7 ) ( x + 1 )

x -7 = 0

x =7

.et x + 1 = 0

x + 1 = 0 -1

x -1

et

(-1 )

-1² + 1 // 6 × (-1) + 8

= 2 <=> 2

Donc oui !

Good luck ▪︎☆▪︎ !

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