Question
Bonjour quelqu’un pourrait factoriser cette expression pour vérifier moi résultat merci
Factoriser
A = ( 3x - 4) - ( 3x - 4) (2x-3)
Factoriser
A = ( 3x - 4) - ( 3x - 4) (2x-3)
Asked by: USER5326
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Answer (151)
bonjour
A = (3x - 4) - (3x - 4) (2x - 3)
A = (3x - 4) * 1 - (3x - 4) (2x - 3) facteur commun (3x - 4)
= (3x - 4) * 1 - (3x - 4) (2x - 3)
= (3x - 4) [1 - (2x - 3)]
= (3x - 4)(1 - 2x + 3)
= (3x - 4)(-2x + 4) [ -2x + 4 = -2(x - 2) ]
= -2(3x - 4)(x - 2)