Bonjour, pourrais je avoir un peu d'aide svp ? c'est un peu urgent x + 7 = 3x + 10

x + 7 = - 10

3 (x + 2) - 2 ( -3x + 5) = 0

x² +2x +1 = 0

( 4x + 1) (x - 5)= 0

(3x + 1) (x - 2) =x² - 4

(3x + 2)² - x² =0

(x + 3) (x + 2) + x² - 9 = 0

x (x + 1) (x + 2) = 0

merci bcp pour votre aide
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