Mathématiques

Question

Comment résoudre

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

1 Réponse

  • (x-3)(x+4)=(x-3)(x+1) (x-3)(x+4) -(x-3)(x+1) =0(x-3)(x+4-x-1) =0(x-3)(3) =03(x-3) =0

    x-3 =0

    x = 3

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