Mathematics, 01.12.2021 18:20 123abc321cbaabc
Bonjour je dois faire la b. pour demain mais j’ai du mal... quelqu’un pourrait m’aider?
exercice 55 :
voici quatre équations « produit nul ».
(1) (3x-12)(x + 4,5) = 0
(2) (4x-7,8)(x-7) = 0
(3) (2x + 8)(5x-2,4) = 0
(4) (3,5x + 14)(x-4) = 0
a. lesquelles de ces équations ont pour solution le nombre -4 ? Le nombre 4 ?
b. donner toutes les solutions de chaque équation.
merci d’avance<33
Answers: 2
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Bonjour je dois faire la b. pour demain mais j’ai du mal... quelqu’un pourrait m’aider?
exercice 5...
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