Mathématiques

Question

(3x - 4 ) (x + 5)+ (3x - 4) (5x -1) = 0

1 Réponse

  • (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

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