Répondre :

Bonjour !

(6x-1)² = 12x

36x² + 1 - 12x = 12x

36x² - 12x + 12x = 1

36x² = 1

36x² - 1² = 0

(6x - 1) (6x + 1) = 0

6x-1 = 0 => x = 1/6

6x + 1 = 0 => x = -1/6

Bon courage .

D'autres questions