Bonjour
Factoriser l'expression suivante :
B = (7X-3)²+(X-4)(7X-3)
Tu as fait des erreurs de signes
B = (7x - 3)^2 + (x - 4)(7x - 3)
B = (7x - 3)(7x - 3 + x - 4)
B = (7x - 3)(8x - 7)
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Bonjour
Factoriser l'expression suivante :
B = (7X-3)²+(X-4)(7X-3)
Tu as fait des erreurs de signes
B = (7x - 3)^2 + (x - 4)(7x - 3)
B = (7x - 3)(7x - 3 + x - 4)
B = (7x - 3)(8x - 7)