(3x - 4 ) (x + 5)+ (3x - 4) (5x -1) = 0
Mathématiques
fleurita08
Question
(3x - 4 ) (x + 5)+ (3x - 4) (5x -1) = 0
1 Réponse
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1. Réponse nonotata
(3x-4)(x+5+5x-1) =0
(3x-4)(6x+4) =0
3x-4 =0 6x+4 =0
3x =4 6x = -4
x = 4/3 x = -4/6 = -2/3