Bonjour,
Factoriser la figure suivante :
2(3x-1) - (3x-1)²= (3x-1)[2-(3x-1)]
= (3x-1)(2-3x+1)
= (3x-1)(-3x+3)
= -3(x-1)(3x-1)
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Bonjour,
Bonjour,
Factoriser la figure suivante :
2(3x-1) - (3x-1)²= (3x-1)[2-(3x-1)]
= (3x-1)(2-3x+1)
= (3x-1)(-3x+3)
= -3(x-1)(3x-1)